Home / 40,020.12-60,030.18-10,437.90

Finding the Fourth Proportional to 40,020.12, 60,030.18 and 10,437.90

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Solution

The fourth proportional to 40,020.12, 60,030.18 and 10,437.90 is: 15,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,020.12 : 60,030.18 = 10,437.90 : x
  2. Step 2: Convert to fraction form
    40,020.12/60,030.18 = 10,437.90/x
  3. Step 3: Cross multiply
    40,020.12x = 60,030.18 × 10,437.90
  4. Step 4: Simplify right side
    40,020.12x = 626,589,015.82
  5. Step 5: Solve for x
    x = 626,589,015.82/40,020.12
  6. Step 6: Final answer
    x = 15,656.85

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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.