Home / 60,368.07-90,531.59-20,915.97

Finding the Fourth Proportional to 60,368.07, 90,531.59 and 20,915.97

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Solution

The fourth proportional to 60,368.07, 90,531.59 and 20,915.97 is: 31,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,368.07 : 90,531.59 = 20,915.97 : x
  2. Step 2: Convert to fraction form
    60,368.07/90,531.59 = 20,915.97/x
  3. Step 3: Cross multiply
    60,368.07x = 90,531.59 × 20,915.97
  4. Step 4: Simplify right side
    60,368.07x = 1,893,556,020.49
  5. Step 5: Solve for x
    x = 1,893,556,020.49/60,368.07
  6. Step 6: Final answer
    x = 31,366.85

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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.