Home / 63,455.38-87,569.02-35,161.68

Finding the Fourth Proportional to 63,455.38, 87,569.02 and 35,161.68

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Solution

The fourth proportional to 63,455.38, 87,569.02 and 35,161.68 is: 48,523.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,455.38 : 87,569.02 = 35,161.68 : x
  2. Step 2: Convert to fraction form
    63,455.38/87,569.02 = 35,161.68/x
  3. Step 3: Cross multiply
    63,455.38x = 87,569.02 × 35,161.68
  4. Step 4: Simplify right side
    63,455.38x = 3,079,073,859.15
  5. Step 5: Solve for x
    x = 3,079,073,859.15/63,455.38
  6. Step 6: Final answer
    x = 48,523.45

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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.