Home / 30,609.64-42,236.58-17,862.76

Finding the Fourth Proportional to 30,609.64, 42,236.58 and 17,862.76

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Solution

The fourth proportional to 30,609.64, 42,236.58 and 17,862.76 is: 24,647.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,609.64 : 42,236.58 = 17,862.76 : x
  2. Step 2: Convert to fraction form
    30,609.64/42,236.58 = 17,862.76/x
  3. Step 3: Cross multiply
    30,609.64x = 42,236.58 × 17,862.76
  4. Step 4: Simplify right side
    30,609.64x = 754,461,891.76
  5. Step 5: Solve for x
    x = 754,461,891.76/30,609.64
  6. Step 6: Final answer
    x = 24,647.85

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Double scale
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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.