Home / 30,601.77-42,230.74-17,862.90

Finding the Fourth Proportional to 30,601.77, 42,230.74 and 17,862.90

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Solution

The fourth proportional to 30,601.77, 42,230.74 and 17,862.90 is: 24,650.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,601.77 : 42,230.74 = 17,862.90 : x
  2. Step 2: Convert to fraction form
    30,601.77/42,230.74 = 17,862.90/x
  3. Step 3: Cross multiply
    30,601.77x = 42,230.74 × 17,862.90
  4. Step 4: Simplify right side
    30,601.77x = 754,363,632.75
  5. Step 5: Solve for x
    x = 754,363,632.75/30,601.77
  6. Step 6: Final answer
    x = 24,650.98

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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.