Home / 56,487.16-84,733.98-21,426.04

Finding the Fourth Proportional to 56,487.16, 84,733.98 and 21,426.04

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Solution

The fourth proportional to 56,487.16, 84,733.98 and 21,426.04 is: 32,140.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,487.16 : 84,733.98 = 21,426.04 : x
  2. Step 2: Convert to fraction form
    56,487.16/84,733.98 = 21,426.04/x
  3. Step 3: Cross multiply
    56,487.16x = 84,733.98 × 21,426.04
  4. Step 4: Simplify right side
    56,487.16x = 1,815,513,644.84
  5. Step 5: Solve for x
    x = 1,815,513,644.84/56,487.16
  6. Step 6: Final answer
    x = 32,140.29

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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.