Home / 31,021.66-42,811.23-17,592.85

Finding the Fourth Proportional to 31,021.66, 42,811.23 and 17,592.85

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Solution

The fourth proportional to 31,021.66, 42,811.23 and 17,592.85 is: 24,278.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,021.66 : 42,811.23 = 17,592.85 : x
  2. Step 2: Convert to fraction form
    31,021.66/42,811.23 = 17,592.85/x
  3. Step 3: Cross multiply
    31,021.66x = 42,811.23 × 17,592.85
  4. Step 4: Simplify right side
    31,021.66x = 753,171,547.71
  5. Step 5: Solve for x
    x = 753,171,547.71/31,021.66
  6. Step 6: Final answer
    x = 24,278.89

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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.