Home / 39,955.78-59,915.13-23,320.62

Finding the Fourth Proportional to 39,955.78, 59,915.13 and 23,320.62

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Solution

The fourth proportional to 39,955.78, 59,915.13 and 23,320.62 is: 34,970.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,955.78 : 59,915.13 = 23,320.62 : x
  2. Step 2: Convert to fraction form
    39,955.78/59,915.13 = 23,320.62/x
  3. Step 3: Cross multiply
    39,955.78x = 59,915.13 × 23,320.62
  4. Step 4: Simplify right side
    39,955.78x = 1,397,257,978.98
  5. Step 5: Solve for x
    x = 1,397,257,978.98/39,955.78
  6. Step 6: Final answer
    x = 34,970.11

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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.