Home / 38,897.61-53,678.26-22,981.71

Finding the Fourth Proportional to 38,897.61, 53,678.26 and 22,981.71

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Solution

The fourth proportional to 38,897.61, 53,678.26 and 22,981.71 is: 31,714.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,897.61 : 53,678.26 = 22,981.71 : x
  2. Step 2: Convert to fraction form
    38,897.61/53,678.26 = 22,981.71/x
  3. Step 3: Cross multiply
    38,897.61x = 53,678.26 × 22,981.71
  4. Step 4: Simplify right side
    38,897.61x = 1,233,618,204.62
  5. Step 5: Solve for x
    x = 1,233,618,204.62/38,897.61
  6. Step 6: Final answer
    x = 31,714.50

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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.