Home / 40,378.12-60,499.98-14,068.36

Finding the Fourth Proportional to 40,378.12, 60,499.98 and 14,068.36

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Solution

The fourth proportional to 40,378.12, 60,499.98 and 14,068.36 is: 21,079.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,378.12 : 60,499.98 = 14,068.36 : x
  2. Step 2: Convert to fraction form
    40,378.12/60,499.98 = 14,068.36/x
  3. Step 3: Cross multiply
    40,378.12x = 60,499.98 × 14,068.36
  4. Step 4: Simplify right side
    40,378.12x = 851,135,498.63
  5. Step 5: Solve for x
    x = 851,135,498.63/40,378.12
  6. Step 6: Final answer
    x = 21,079.13

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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.