Home / 64,022.12-88,356.40-35,346.90

Finding the Fourth Proportional to 64,022.12, 88,356.40 and 35,346.90

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Solution

The fourth proportional to 64,022.12, 88,356.40 and 35,346.90 is: 48,781.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,022.12 : 88,356.40 = 35,346.90 : x
  2. Step 2: Convert to fraction form
    64,022.12/88,356.40 = 35,346.90/x
  3. Step 3: Cross multiply
    64,022.12x = 88,356.40 × 35,346.90
  4. Step 4: Simplify right side
    64,022.12x = 3,123,124,746.79
  5. Step 5: Solve for x
    x = 3,123,124,746.79/64,022.12
  6. Step 6: Final answer
    x = 48,781.97

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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.