Home / 31,468.24-47,389.84-28,383.76

Finding the Fourth Proportional to 31,468.24, 47,389.84 and 28,383.76

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Solution

The fourth proportional to 31,468.24, 47,389.84 and 28,383.76 is: 42,744.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,468.24 : 47,389.84 = 28,383.76 : x
  2. Step 2: Convert to fraction form
    31,468.24/47,389.84 = 28,383.76/x
  3. Step 3: Cross multiply
    31,468.24x = 47,389.84 × 28,383.76
  4. Step 4: Simplify right side
    31,468.24x = 1,345,101,845.00
  5. Step 5: Solve for x
    x = 1,345,101,845.00/31,468.24
  6. Step 6: Final answer
    x = 42,744.74

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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.