Home / 30,472.46-42,052.08-17,043.95

Finding the Fourth Proportional to 30,472.46, 42,052.08 and 17,043.95

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Solution

The fourth proportional to 30,472.46, 42,052.08 and 17,043.95 is: 23,520.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,472.46 : 42,052.08 = 17,043.95 : x
  2. Step 2: Convert to fraction form
    30,472.46/42,052.08 = 17,043.95/x
  3. Step 3: Cross multiply
    30,472.46x = 42,052.08 × 17,043.95
  4. Step 4: Simplify right side
    30,472.46x = 716,733,338.66
  5. Step 5: Solve for x
    x = 716,733,338.66/30,472.46
  6. Step 6: Final answer
    x = 23,520.70

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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.