Home / 48,141.03-66,412.24-31,150.76

Finding the Fourth Proportional to 48,141.03, 66,412.24 and 31,150.76

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Solution

The fourth proportional to 48,141.03, 66,412.24 and 31,150.76 is: 42,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,141.03 : 66,412.24 = 31,150.76 : x
  2. Step 2: Convert to fraction form
    48,141.03/66,412.24 = 31,150.76/x
  3. Step 3: Cross multiply
    48,141.03x = 66,412.24 × 31,150.76
  4. Step 4: Simplify right side
    48,141.03x = 2,068,791,261.49
  5. Step 5: Solve for x
    x = 2,068,791,261.49/48,141.03
  6. Step 6: Final answer
    x = 42,973.56

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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.