Home / 38,374.60-52,956.90-21,607.72

Finding the Fourth Proportional to 38,374.60, 52,956.90 and 21,607.72

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Solution

The fourth proportional to 38,374.60, 52,956.90 and 21,607.72 is: 29,818.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,374.60 : 52,956.90 = 21,607.72 : x
  2. Step 2: Convert to fraction form
    38,374.60/52,956.90 = 21,607.72/x
  3. Step 3: Cross multiply
    38,374.60x = 52,956.90 × 21,607.72
  4. Step 4: Simplify right side
    38,374.60x = 1,144,277,867.27
  5. Step 5: Solve for x
    x = 1,144,277,867.27/38,374.60
  6. Step 6: Final answer
    x = 29,818.63

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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.