Home / 31,441.24-47,349.06-28,356.76

Finding the Fourth Proportional to 31,441.24, 47,349.06 and 28,356.76

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Solution

The fourth proportional to 31,441.24, 47,349.06 and 28,356.76 is: 42,703.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,441.24 : 47,349.06 = 28,356.76 : x
  2. Step 2: Convert to fraction form
    31,441.24/47,349.06 = 28,356.76/x
  3. Step 3: Cross multiply
    31,441.24x = 47,349.06 × 28,356.76
  4. Step 4: Simplify right side
    31,441.24x = 1,342,665,788.86
  5. Step 5: Solve for x
    x = 1,342,665,788.86/31,441.24
  6. Step 6: Final answer
    x = 42,703.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.