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Finding the Fourth Proportional to 58,657.16, 80,917.18 and 37,110.76

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Solution

The fourth proportional to 58,657.16, 80,917.18 and 37,110.76 is: 51,194.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,657.16 : 80,917.18 = 37,110.76 : x
  2. Step 2: Convert to fraction form
    58,657.16/80,917.18 = 37,110.76/x
  3. Step 3: Cross multiply
    58,657.16x = 80,917.18 × 37,110.76
  4. Step 4: Simplify right side
    58,657.16x = 3,002,897,751.79
  5. Step 5: Solve for x
    x = 3,002,897,751.79/58,657.16
  6. Step 6: Final answer
    x = 51,194.05

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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.