Home / 30,588.33-42,224.85-18,655.95

Finding the Fourth Proportional to 30,588.33, 42,224.85 and 18,655.95

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Solution

The fourth proportional to 30,588.33, 42,224.85 and 18,655.95 is: 25,753.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,588.33 : 42,224.85 = 18,655.95 : x
  2. Step 2: Convert to fraction form
    30,588.33/42,224.85 = 18,655.95/x
  3. Step 3: Cross multiply
    30,588.33x = 42,224.85 × 18,655.95
  4. Step 4: Simplify right side
    30,588.33x = 787,744,690.36
  5. Step 5: Solve for x
    x = 787,744,690.36/30,588.33
  6. Step 6: Final answer
    x = 25,753.11

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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.