Home / 40,301.20-60,437.40-14,006.80

Finding the Fourth Proportional to 40,301.20, 60,437.40 and 14,006.80

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Solution

The fourth proportional to 40,301.20, 60,437.40 and 14,006.80 is: 21,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,301.20 : 60,437.40 = 14,006.80 : x
  2. Step 2: Convert to fraction form
    40,301.20/60,437.40 = 14,006.80/x
  3. Step 3: Cross multiply
    40,301.20x = 60,437.40 × 14,006.80
  4. Step 4: Simplify right side
    40,301.20x = 846,534,574.32
  5. Step 5: Solve for x
    x = 846,534,574.32/40,301.20
  6. Step 6: Final answer
    x = 21,005.20

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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.