Home / 62,128.50-93,194.91-20,574.42

Finding the Fourth Proportional to 62,128.50, 93,194.91 and 20,574.42

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Solution

The fourth proportional to 62,128.50, 93,194.91 and 20,574.42 is: 30,862.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,128.50 : 93,194.91 = 20,574.42 : x
  2. Step 2: Convert to fraction form
    62,128.50/93,194.91 = 20,574.42/x
  3. Step 3: Cross multiply
    62,128.50x = 93,194.91 × 20,574.42
  4. Step 4: Simplify right side
    62,128.50x = 1,917,431,220.20
  5. Step 5: Solve for x
    x = 1,917,431,220.20/62,128.50
  6. Step 6: Final answer
    x = 30,862.35

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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.