Home / 38,490.76-53,117.40-22,575.52

Finding the Fourth Proportional to 38,490.76, 53,117.40 and 22,575.52

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Solution

The fourth proportional to 38,490.76, 53,117.40 and 22,575.52 is: 31,154.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,490.76 : 53,117.40 = 22,575.52 : x
  2. Step 2: Convert to fraction form
    38,490.76/53,117.40 = 22,575.52/x
  3. Step 3: Cross multiply
    38,490.76x = 53,117.40 × 22,575.52
  4. Step 4: Simplify right side
    38,490.76x = 1,199,152,926.05
  5. Step 5: Solve for x
    x = 1,199,152,926.05/38,490.76
  6. Step 6: Final answer
    x = 31,154.31

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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.