Home / 30,891.24-42,630.58-17,461.70

Finding the Fourth Proportional to 30,891.24, 42,630.58 and 17,461.70

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Solution

The fourth proportional to 30,891.24, 42,630.58 and 17,461.70 is: 24,097.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,891.24 : 42,630.58 = 17,461.70 : x
  2. Step 2: Convert to fraction form
    30,891.24/42,630.58 = 17,461.70/x
  3. Step 3: Cross multiply
    30,891.24x = 42,630.58 × 17,461.70
  4. Step 4: Simplify right side
    30,891.24x = 744,402,398.79
  5. Step 5: Solve for x
    x = 744,402,398.79/30,891.24
  6. Step 6: Final answer
    x = 24,097.52

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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.