Home / 56,557.69-78,049.62-31,407.19

Finding the Fourth Proportional to 56,557.69, 78,049.62 and 31,407.19

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Solution

The fourth proportional to 56,557.69, 78,049.62 and 31,407.19 is: 43,341.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,557.69 : 78,049.62 = 31,407.19 : x
  2. Step 2: Convert to fraction form
    56,557.69/78,049.62 = 31,407.19/x
  3. Step 3: Cross multiply
    56,557.69x = 78,049.62 × 31,407.19
  4. Step 4: Simplify right side
    56,557.69x = 2,451,319,049.64
  5. Step 5: Solve for x
    x = 2,451,319,049.64/56,557.69
  6. Step 6: Final answer
    x = 43,341.92

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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.