Home / 31,021.54-42,800.07-17,591.74

Finding the Fourth Proportional to 31,021.54, 42,800.07 and 17,591.74

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Solution

The fourth proportional to 31,021.54, 42,800.07 and 17,591.74 is: 24,271.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,021.54 : 42,800.07 = 17,591.74 : x
  2. Step 2: Convert to fraction form
    31,021.54/42,800.07 = 17,591.74/x
  3. Step 3: Cross multiply
    31,021.54x = 42,800.07 × 17,591.74
  4. Step 4: Simplify right side
    31,021.54x = 752,927,703.42
  5. Step 5: Solve for x
    x = 752,927,703.42/31,021.54
  6. Step 6: Final answer
    x = 24,271.13

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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.