Home / 69,945.48-96,521.46-39,726.87

Finding the Fourth Proportional to 69,945.48, 96,521.46 and 39,726.87

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Solution

The fourth proportional to 69,945.48, 96,521.46 and 39,726.87 is: 54,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,945.48 : 96,521.46 = 39,726.87 : x
  2. Step 2: Convert to fraction form
    69,945.48/96,521.46 = 39,726.87/x
  3. Step 3: Cross multiply
    69,945.48x = 96,521.46 × 39,726.87
  4. Step 4: Simplify right side
    69,945.48x = 3,834,495,493.63
  5. Step 5: Solve for x
    x = 3,834,495,493.63/69,945.48
  6. Step 6: Final answer
    x = 54,821.20

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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.