Home / 53,472.30-80,208.45-38,438.70

Finding the Fourth Proportional to 53,472.30, 80,208.45 and 38,438.70

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Solution

The fourth proportional to 53,472.30, 80,208.45 and 38,438.70 is: 57,658.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,472.30 : 80,208.45 = 38,438.70 : x
  2. Step 2: Convert to fraction form
    53,472.30/80,208.45 = 38,438.70/x
  3. Step 3: Cross multiply
    53,472.30x = 80,208.45 × 38,438.70
  4. Step 4: Simplify right side
    53,472.30x = 3,083,108,547.02
  5. Step 5: Solve for x
    x = 3,083,108,547.02/53,472.30
  6. Step 6: Final answer
    x = 57,658.05

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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.