Home / 40,131.40-60,206.70-19,337.80

Finding the Fourth Proportional to 40,131.40, 60,206.70 and 19,337.80

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Solution

The fourth proportional to 40,131.40, 60,206.70 and 19,337.80 is: 29,011.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,131.40 : 60,206.70 = 19,337.80 : x
  2. Step 2: Convert to fraction form
    40,131.40/60,206.70 = 19,337.80/x
  3. Step 3: Cross multiply
    40,131.40x = 60,206.70 × 19,337.80
  4. Step 4: Simplify right side
    40,131.40x = 1,164,265,123.26
  5. Step 5: Solve for x
    x = 1,164,265,123.26/40,131.40
  6. Step 6: Final answer
    x = 29,011.33

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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.