Home / 56,042.08-77,338.24-30,891.04

Finding the Fourth Proportional to 56,042.08, 77,338.24 and 30,891.04

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Solution

The fourth proportional to 56,042.08, 77,338.24 and 30,891.04 is: 42,629.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,042.08 : 77,338.24 = 30,891.04 : x
  2. Step 2: Convert to fraction form
    56,042.08/77,338.24 = 30,891.04/x
  3. Step 3: Cross multiply
    56,042.08x = 77,338.24 × 30,891.04
  4. Step 4: Simplify right side
    56,042.08x = 2,389,058,665.37
  5. Step 5: Solve for x
    x = 2,389,058,665.37/56,042.08
  6. Step 6: Final answer
    x = 42,629.73

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1.5x scale

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.