Home / 31,800.55-47,708.60-22,458.82

Finding the Fourth Proportional to 31,800.55, 47,708.60 and 22,458.82

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Solution

The fourth proportional to 31,800.55, 47,708.60 and 22,458.82 is: 33,693.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,800.55 : 47,708.60 = 22,458.82 : x
  2. Step 2: Convert to fraction form
    31,800.55/47,708.60 = 22,458.82/x
  3. Step 3: Cross multiply
    31,800.55x = 47,708.60 × 22,458.82
  4. Step 4: Simplify right side
    31,800.55x = 1,071,478,717.74
  5. Step 5: Solve for x
    x = 1,071,478,717.74/31,800.55
  6. Step 6: Final answer
    x = 33,693.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.