Home / 51,410.08-77,158.86-36,655.12

Finding the Fourth Proportional to 51,410.08, 77,158.86 and 36,655.12

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Solution

The fourth proportional to 51,410.08, 77,158.86 and 36,655.12 is: 55,013.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,410.08 : 77,158.86 = 36,655.12 : x
  2. Step 2: Convert to fraction form
    51,410.08/77,158.86 = 36,655.12/x
  3. Step 3: Cross multiply
    51,410.08x = 77,158.86 × 36,655.12
  4. Step 4: Simplify right side
    51,410.08x = 2,828,267,272.36
  5. Step 5: Solve for x
    x = 2,828,267,272.36/51,410.08
  6. Step 6: Final answer
    x = 55,013.87

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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.