Home / 65,127.04-89,892.99-38,278.17

Finding the Fourth Proportional to 65,127.04, 89,892.99 and 38,278.17

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Solution

The fourth proportional to 65,127.04, 89,892.99 and 38,278.17 is: 52,834.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,127.04 : 89,892.99 = 38,278.17 : x
  2. Step 2: Convert to fraction form
    65,127.04/89,892.99 = 38,278.17/x
  3. Step 3: Cross multiply
    65,127.04x = 89,892.99 × 38,278.17
  4. Step 4: Simplify right side
    65,127.04x = 3,440,939,153.03
  5. Step 5: Solve for x
    x = 3,440,939,153.03/65,127.04
  6. Step 6: Final answer
    x = 52,834.26

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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.