Home / 38,342.98-52,901.10-21,572.74

Finding the Fourth Proportional to 38,342.98, 52,901.10 and 21,572.74

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Solution

The fourth proportional to 38,342.98, 52,901.10 and 21,572.74 is: 29,763.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,342.98 : 52,901.10 = 21,572.74 : x
  2. Step 2: Convert to fraction form
    38,342.98/52,901.10 = 21,572.74/x
  3. Step 3: Cross multiply
    38,342.98x = 52,901.10 × 21,572.74
  4. Step 4: Simplify right side
    38,342.98x = 1,141,221,676.01
  5. Step 5: Solve for x
    x = 1,141,221,676.01/38,342.98
  6. Step 6: Final answer
    x = 29,763.51

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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.