Home / 29,644.77-40,920.21-18,322.95

Finding the Fourth Proportional to 29,644.77, 40,920.21 and 18,322.95

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Solution

The fourth proportional to 29,644.77, 40,920.21 and 18,322.95 is: 25,292.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,644.77 : 40,920.21 = 18,322.95 : x
  2. Step 2: Convert to fraction form
    29,644.77/40,920.21 = 18,322.95/x
  3. Step 3: Cross multiply
    29,644.77x = 40,920.21 × 18,322.95
  4. Step 4: Simplify right side
    29,644.77x = 749,778,870.20
  5. Step 5: Solve for x
    x = 749,778,870.20/29,644.77
  6. Step 6: Final answer
    x = 25,292.11

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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.