Home / 39,680.78-59,522.07-10,098.50

Finding the Fourth Proportional to 39,680.78, 59,522.07 and 10,098.50

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Solution

The fourth proportional to 39,680.78, 59,522.07 and 10,098.50 is: 15,147.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,680.78 : 59,522.07 = 10,098.50 : x
  2. Step 2: Convert to fraction form
    39,680.78/59,522.07 = 10,098.50/x
  3. Step 3: Cross multiply
    39,680.78x = 59,522.07 × 10,098.50
  4. Step 4: Simplify right side
    39,680.78x = 601,083,623.90
  5. Step 5: Solve for x
    x = 601,083,623.90/39,680.78
  6. Step 6: Final answer
    x = 15,147.98

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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.