Home / 84,427.48-126,671.58-39,488.92

Finding the Fourth Proportional to 84,427.48, 126,671.58 and 39,488.92

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Solution

The fourth proportional to 84,427.48, 126,671.58 and 39,488.92 is: 59,247.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,427.48 : 126,671.58 = 39,488.92 : x
  2. Step 2: Convert to fraction form
    84,427.48/126,671.58 = 39,488.92/x
  3. Step 3: Cross multiply
    84,427.48x = 126,671.58 × 39,488.92
  4. Step 4: Simplify right side
    84,427.48x = 5,002,123,888.89
  5. Step 5: Solve for x
    x = 5,002,123,888.89/84,427.48
  6. Step 6: Final answer
    x = 59,247.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.