Home / 68,430.04-94,412.82-39,744.17

Finding the Fourth Proportional to 68,430.04, 94,412.82 and 39,744.17

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Solution

The fourth proportional to 68,430.04, 94,412.82 and 39,744.17 is: 54,834.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,430.04 : 94,412.82 = 39,744.17 : x
  2. Step 2: Convert to fraction form
    68,430.04/94,412.82 = 39,744.17/x
  3. Step 3: Cross multiply
    68,430.04x = 94,412.82 × 39,744.17
  4. Step 4: Simplify right side
    68,430.04x = 3,752,359,168.26
  5. Step 5: Solve for x
    x = 3,752,359,168.26/68,430.04
  6. Step 6: Final answer
    x = 54,834.97

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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.