Home / 56,675.46-78,208.83-31,177.47

Finding the Fourth Proportional to 56,675.46, 78,208.83 and 31,177.47

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Solution

The fourth proportional to 56,675.46, 78,208.83 and 31,177.47 is: 43,023.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,675.46 : 78,208.83 = 31,177.47 : x
  2. Step 2: Convert to fraction form
    56,675.46/78,208.83 = 31,177.47/x
  3. Step 3: Cross multiply
    56,675.46x = 78,208.83 × 31,177.47
  4. Step 4: Simplify right side
    56,675.46x = 2,438,353,451.06
  5. Step 5: Solve for x
    x = 2,438,353,451.06/56,675.46
  6. Step 6: Final answer
    x = 43,023.09

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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.