Home / 31,125.99-42,947.76-17,694.93

Finding the Fourth Proportional to 31,125.99, 42,947.76 and 17,694.93

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Solution

The fourth proportional to 31,125.99, 42,947.76 and 17,694.93 is: 24,415.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,125.99 : 42,947.76 = 17,694.93 : x
  2. Step 2: Convert to fraction form
    31,125.99/42,947.76 = 17,694.93/x
  3. Step 3: Cross multiply
    31,125.99x = 42,947.76 × 17,694.93
  4. Step 4: Simplify right side
    31,125.99x = 759,957,606.86
  5. Step 5: Solve for x
    x = 759,957,606.86/31,125.99
  6. Step 6: Final answer
    x = 24,415.53

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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.