Home / 30,472.66-42,052.02-17,043.90

Finding the Fourth Proportional to 30,472.66, 42,052.02 and 17,043.90

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Solution

The fourth proportional to 30,472.66, 42,052.02 and 17,043.90 is: 23,520.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,472.66 : 42,052.02 = 17,043.90 : x
  2. Step 2: Convert to fraction form
    30,472.66/42,052.02 = 17,043.90/x
  3. Step 3: Cross multiply
    30,472.66x = 42,052.02 × 17,043.90
  4. Step 4: Simplify right side
    30,472.66x = 716,730,338.46
  5. Step 5: Solve for x
    x = 716,730,338.46/30,472.66
  6. Step 6: Final answer
    x = 23,520.44

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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.