Home / 38,341.84-52,909.72-21,575.92

Finding the Fourth Proportional to 38,341.84, 52,909.72 and 21,575.92

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Solution

The fourth proportional to 38,341.84, 52,909.72 and 21,575.92 is: 29,773.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,341.84 : 52,909.72 = 21,575.92 : x
  2. Step 2: Convert to fraction form
    38,341.84/52,909.72 = 21,575.92/x
  3. Step 3: Cross multiply
    38,341.84x = 52,909.72 × 21,575.92
  4. Step 4: Simplify right side
    38,341.84x = 1,141,575,885.94
  5. Step 5: Solve for x
    x = 1,141,575,885.94/38,341.84
  6. Step 6: Final answer
    x = 29,773.63

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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.