Home / 38,897.40-58,346.10-21,182.70

Finding the Fourth Proportional to 38,897.40, 58,346.10 and 21,182.70

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Solution

The fourth proportional to 38,897.40, 58,346.10 and 21,182.70 is: 31,774.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,897.40 : 58,346.10 = 21,182.70 : x
  2. Step 2: Convert to fraction form
    38,897.40/58,346.10 = 21,182.70/x
  3. Step 3: Cross multiply
    38,897.40x = 58,346.10 × 21,182.70
  4. Step 4: Simplify right side
    38,897.40x = 1,235,927,932.47
  5. Step 5: Solve for x
    x = 1,235,927,932.47/38,897.40
  6. Step 6: Final answer
    x = 31,774.05

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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.