Home / 57,426.48-86,153.52-19,981.04

Finding the Fourth Proportional to 57,426.48, 86,153.52 and 19,981.04

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Solution

The fourth proportional to 57,426.48, 86,153.52 and 19,981.04 is: 29,976.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,426.48 : 86,153.52 = 19,981.04 : x
  2. Step 2: Convert to fraction form
    57,426.48/86,153.52 = 19,981.04/x
  3. Step 3: Cross multiply
    57,426.48x = 86,153.52 × 19,981.04
  4. Step 4: Simplify right side
    57,426.48x = 1,721,436,929.26
  5. Step 5: Solve for x
    x = 1,721,436,929.26/57,426.48
  6. Step 6: Final answer
    x = 29,976.36

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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.