Home / 31,283.01-43,168.95-17,135.55

Finding the Fourth Proportional to 31,283.01, 43,168.95 and 17,135.55

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Solution

The fourth proportional to 31,283.01, 43,168.95 and 17,135.55 is: 23,646.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,283.01 : 43,168.95 = 17,135.55 : x
  2. Step 2: Convert to fraction form
    31,283.01/43,168.95 = 17,135.55/x
  3. Step 3: Cross multiply
    31,283.01x = 43,168.95 × 17,135.55
  4. Step 4: Simplify right side
    31,283.01x = 739,723,701.17
  5. Step 5: Solve for x
    x = 739,723,701.17/31,283.01
  6. Step 6: Final answer
    x = 23,646.18

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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.