Home / 40,029.40-59,979.30-25,211.80

Finding the Fourth Proportional to 40,029.40, 59,979.30 and 25,211.80

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Solution

The fourth proportional to 40,029.40, 59,979.30 and 25,211.80 is: 37,776.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,029.40 : 59,979.30 = 25,211.80 : x
  2. Step 2: Convert to fraction form
    40,029.40/59,979.30 = 25,211.80/x
  3. Step 3: Cross multiply
    40,029.40x = 59,979.30 × 25,211.80
  4. Step 4: Simplify right side
    40,029.40x = 1,512,186,115.74
  5. Step 5: Solve for x
    x = 1,512,186,115.74/40,029.40
  6. Step 6: Final answer
    x = 37,776.89

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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.