Home / 69,877.50-96,438.24-39,670.98

Finding the Fourth Proportional to 69,877.50, 96,438.24 and 39,670.98

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Solution

The fourth proportional to 69,877.50, 96,438.24 and 39,670.98 is: 54,750.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,877.50 : 96,438.24 = 39,670.98 : x
  2. Step 2: Convert to fraction form
    69,877.50/96,438.24 = 39,670.98/x
  3. Step 3: Cross multiply
    69,877.50x = 96,438.24 × 39,670.98
  4. Step 4: Simplify right side
    69,877.50x = 3,825,799,490.28
  5. Step 5: Solve for x
    x = 3,825,799,490.28/69,877.50
  6. Step 6: Final answer
    x = 54,750.09

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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.