Home / 40,437.24-60,655.86-12,356.16

Finding the Fourth Proportional to 40,437.24, 60,655.86 and 12,356.16

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Solution

The fourth proportional to 40,437.24, 60,655.86 and 12,356.16 is: 18,534.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,437.24 : 60,655.86 = 12,356.16 : x
  2. Step 2: Convert to fraction form
    40,437.24/60,655.86 = 12,356.16/x
  3. Step 3: Cross multiply
    40,437.24x = 60,655.86 × 12,356.16
  4. Step 4: Simplify right side
    40,437.24x = 749,473,511.10
  5. Step 5: Solve for x
    x = 749,473,511.10/40,437.24
  6. Step 6: Final answer
    x = 18,534.24

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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.