Home / 56,343.12-77,751.10-30,849.02

Finding the Fourth Proportional to 56,343.12, 77,751.10 and 30,849.02

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Solution

The fourth proportional to 56,343.12, 77,751.10 and 30,849.02 is: 42,570.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,343.12 : 77,751.10 = 30,849.02 : x
  2. Step 2: Convert to fraction form
    56,343.12/77,751.10 = 30,849.02/x
  3. Step 3: Cross multiply
    56,343.12x = 77,751.10 × 30,849.02
  4. Step 4: Simplify right side
    56,343.12x = 2,398,545,471.86
  5. Step 5: Solve for x
    x = 2,398,545,471.86/56,343.12
  6. Step 6: Final answer
    x = 42,570.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.