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Finding the Fourth Proportional to 64,020.66, 88,356.87 and 35,732.22

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Solution

The fourth proportional to 64,020.66, 88,356.87 and 35,732.22 is: 49,315.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,020.66 : 88,356.87 = 35,732.22 : x
  2. Step 2: Convert to fraction form
    64,020.66/88,356.87 = 35,732.22/x
  3. Step 3: Cross multiply
    64,020.66x = 88,356.87 × 35,732.22
  4. Step 4: Simplify right side
    64,020.66x = 3,157,187,117.35
  5. Step 5: Solve for x
    x = 3,157,187,117.35/64,020.66
  6. Step 6: Final answer
    x = 49,315.13

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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.