Home / 38,570.62-53,278.27-29,602.71

Finding the Fourth Proportional to 38,570.62, 53,278.27 and 29,602.71

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Solution

The fourth proportional to 38,570.62, 53,278.27 and 29,602.71 is: 40,890.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,570.62 : 53,278.27 = 29,602.71 : x
  2. Step 2: Convert to fraction form
    38,570.62/53,278.27 = 29,602.71/x
  3. Step 3: Cross multiply
    38,570.62x = 53,278.27 × 29,602.71
  4. Step 4: Simplify right side
    38,570.62x = 1,577,180,909.72
  5. Step 5: Solve for x
    x = 1,577,180,909.72/38,570.62
  6. Step 6: Final answer
    x = 40,890.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.