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Finding the Fourth Proportional to 62,652.81, 86,460.50 and 33,972.18

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Solution

The fourth proportional to 62,652.81, 86,460.50 and 33,972.18 is: 46,881.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,652.81 : 86,460.50 = 33,972.18 : x
  2. Step 2: Convert to fraction form
    62,652.81/86,460.50 = 33,972.18/x
  3. Step 3: Cross multiply
    62,652.81x = 86,460.50 × 33,972.18
  4. Step 4: Simplify right side
    62,652.81x = 2,937,251,499.03
  5. Step 5: Solve for x
    x = 2,937,251,499.03/62,652.81
  6. Step 6: Final answer
    x = 46,881.40

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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.