Home / 60,215.52-90,290.10-20,740.08

Finding the Fourth Proportional to 60,215.52, 90,290.10 and 20,740.08

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Solution

The fourth proportional to 60,215.52, 90,290.10 and 20,740.08 is: 31,098.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,215.52 : 90,290.10 = 20,740.08 : x
  2. Step 2: Convert to fraction form
    60,215.52/90,290.10 = 20,740.08/x
  3. Step 3: Cross multiply
    60,215.52x = 90,290.10 × 20,740.08
  4. Step 4: Simplify right side
    60,215.52x = 1,872,623,897.21
  5. Step 5: Solve for x
    x = 1,872,623,897.21/60,215.52
  6. Step 6: Final answer
    x = 31,098.69

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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.