Home / 43,303.49-64,902.92-21,083.57

Finding the Fourth Proportional to 43,303.49, 64,902.92 and 21,083.57

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Solution

The fourth proportional to 43,303.49, 64,902.92 and 21,083.57 is: 31,599.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,303.49 : 64,902.92 = 21,083.57 : x
  2. Step 2: Convert to fraction form
    43,303.49/64,902.92 = 21,083.57/x
  3. Step 3: Cross multiply
    43,303.49x = 64,902.92 × 21,083.57
  4. Step 4: Simplify right side
    43,303.49x = 1,368,385,151.61
  5. Step 5: Solve for x
    x = 1,368,385,151.61/43,303.49
  6. Step 6: Final answer
    x = 31,599.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.