Home / 31,014.78-42,799.08-17,586.93

Finding the Fourth Proportional to 31,014.78, 42,799.08 and 17,586.93

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Solution

The fourth proportional to 31,014.78, 42,799.08 and 17,586.93 is: 24,269.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,014.78 : 42,799.08 = 17,586.93 : x
  2. Step 2: Convert to fraction form
    31,014.78/42,799.08 = 17,586.93/x
  3. Step 3: Cross multiply
    31,014.78x = 42,799.08 × 17,586.93
  4. Step 4: Simplify right side
    31,014.78x = 752,704,424.02
  5. Step 5: Solve for x
    x = 752,704,424.02/31,014.78
  6. Step 6: Final answer
    x = 24,269.22

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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.