Home / 29,270.98-40,381.50-18,658.36

Finding the Fourth Proportional to 29,270.98, 40,381.50 and 18,658.36

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Solution

The fourth proportional to 29,270.98, 40,381.50 and 18,658.36 is: 25,740.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,270.98 : 40,381.50 = 18,658.36 : x
  2. Step 2: Convert to fraction form
    29,270.98/40,381.50 = 18,658.36/x
  3. Step 3: Cross multiply
    29,270.98x = 40,381.50 × 18,658.36
  4. Step 4: Simplify right side
    29,270.98x = 753,452,564.34
  5. Step 5: Solve for x
    x = 753,452,564.34/29,270.98
  6. Step 6: Final answer
    x = 25,740.60

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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.