Home / 71,432.84-98,570.68-39,599.04

Finding the Fourth Proportional to 71,432.84, 98,570.68 and 39,599.04

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Solution

The fourth proportional to 71,432.84, 98,570.68 and 39,599.04 is: 54,642.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,432.84 : 98,570.68 = 39,599.04 : x
  2. Step 2: Convert to fraction form
    71,432.84/98,570.68 = 39,599.04/x
  3. Step 3: Cross multiply
    71,432.84x = 98,570.68 × 39,599.04
  4. Step 4: Simplify right side
    71,432.84x = 3,903,304,300.15
  5. Step 5: Solve for x
    x = 3,903,304,300.15/71,432.84
  6. Step 6: Final answer
    x = 54,642.99

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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.