Home / 31,887.13-48,043.45-28,888.92

Finding the Fourth Proportional to 31,887.13, 48,043.45 and 28,888.92

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Solution

The fourth proportional to 31,887.13, 48,043.45 and 28,888.92 is: 43,526.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,887.13 : 48,043.45 = 28,888.92 : x
  2. Step 2: Convert to fraction form
    31,887.13/48,043.45 = 28,888.92/x
  3. Step 3: Cross multiply
    31,887.13x = 48,043.45 × 28,888.92
  4. Step 4: Simplify right side
    31,887.13x = 1,387,923,383.57
  5. Step 5: Solve for x
    x = 1,387,923,383.57/31,887.13
  6. Step 6: Final answer
    x = 43,526.13

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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.