Home / 31,055.59-42,883.35-30,051.35

Finding the Fourth Proportional to 31,055.59, 42,883.35 and 30,051.35

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Solution

The fourth proportional to 31,055.59, 42,883.35 and 30,051.35 is: 41,496.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,055.59 : 42,883.35 = 30,051.35 : x
  2. Step 2: Convert to fraction form
    31,055.59/42,883.35 = 30,051.35/x
  3. Step 3: Cross multiply
    31,055.59x = 42,883.35 × 30,051.35
  4. Step 4: Simplify right side
    31,055.59x = 1,288,702,436.70
  5. Step 5: Solve for x
    x = 1,288,702,436.70/31,055.59
  6. Step 6: Final answer
    x = 41,496.64

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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.