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Finding the Fourth Proportional to 58,381.60, 80,555.70 and 32,886.04

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Solution

The fourth proportional to 58,381.60, 80,555.70 and 32,886.04 is: 45,376.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,381.60 : 80,555.70 = 32,886.04 : x
  2. Step 2: Convert to fraction form
    58,381.60/80,555.70 = 32,886.04/x
  3. Step 3: Cross multiply
    58,381.60x = 80,555.70 × 32,886.04
  4. Step 4: Simplify right side
    58,381.60x = 2,649,157,972.43
  5. Step 5: Solve for x
    x = 2,649,157,972.43/58,381.60
  6. Step 6: Final answer
    x = 45,376.59

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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.