Home / 43,015.82-59,368.29-30,956.23

Finding the Fourth Proportional to 43,015.82, 59,368.29 and 30,956.23

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Solution

The fourth proportional to 43,015.82, 59,368.29 and 30,956.23 is: 42,724.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,015.82 : 59,368.29 = 30,956.23 : x
  2. Step 2: Convert to fraction form
    43,015.82/59,368.29 = 30,956.23/x
  3. Step 3: Cross multiply
    43,015.82x = 59,368.29 × 30,956.23
  4. Step 4: Simplify right side
    43,015.82x = 1,837,818,143.11
  5. Step 5: Solve for x
    x = 1,837,818,143.11/43,015.82
  6. Step 6: Final answer
    x = 42,724.24

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Double scale
Find fourth proportional to 43,016.82, 59,369.67 and 30,957.23
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.