Home / 56,458.80-77,877.36-36,280.96

Finding the Fourth Proportional to 56,458.80, 77,877.36 and 36,280.96

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Solution

The fourth proportional to 56,458.80, 77,877.36 and 36,280.96 is: 50,044.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,458.80 : 77,877.36 = 36,280.96 : x
  2. Step 2: Convert to fraction form
    56,458.80/77,877.36 = 36,280.96/x
  3. Step 3: Cross multiply
    56,458.80x = 77,877.36 × 36,280.96
  4. Step 4: Simplify right side
    56,458.80x = 2,825,465,383.07
  5. Step 5: Solve for x
    x = 2,825,465,383.07/56,458.80
  6. Step 6: Final answer
    x = 50,044.73

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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.