Home / 64,948.20-89,628.56-38,090.82

Finding the Fourth Proportional to 64,948.20, 89,628.56 and 38,090.82

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Solution

The fourth proportional to 64,948.20, 89,628.56 and 38,090.82 is: 52,565.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,948.20 : 89,628.56 = 38,090.82 : x
  2. Step 2: Convert to fraction form
    64,948.20/89,628.56 = 38,090.82/x
  3. Step 3: Cross multiply
    64,948.20x = 89,628.56 × 38,090.82
  4. Step 4: Simplify right side
    64,948.20x = 3,414,025,175.84
  5. Step 5: Solve for x
    x = 3,414,025,175.84/64,948.20
  6. Step 6: Final answer
    x = 52,565.35

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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.