Home / 60,042.68-90,065.56-28,445.34

Finding the Fourth Proportional to 60,042.68, 90,065.56 and 28,445.34

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Solution

The fourth proportional to 60,042.68, 90,065.56 and 28,445.34 is: 42,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,042.68 : 90,065.56 = 28,445.34 : x
  2. Step 2: Convert to fraction form
    60,042.68/90,065.56 = 28,445.34/x
  3. Step 3: Cross multiply
    60,042.68x = 90,065.56 × 28,445.34
  4. Step 4: Simplify right side
    60,042.68x = 2,561,945,476.49
  5. Step 5: Solve for x
    x = 2,561,945,476.49/60,042.68
  6. Step 6: Final answer
    x = 42,668.74

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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.