Home / 30,611.47-42,244.29-16,814.95

Finding the Fourth Proportional to 30,611.47, 42,244.29 and 16,814.95

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Solution

The fourth proportional to 30,611.47, 42,244.29 and 16,814.95 is: 23,204.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,611.47 : 42,244.29 = 16,814.95 : x
  2. Step 2: Convert to fraction form
    30,611.47/42,244.29 = 16,814.95/x
  3. Step 3: Cross multiply
    30,611.47x = 42,244.29 × 16,814.95
  4. Step 4: Simplify right side
    30,611.47x = 710,335,624.14
  5. Step 5: Solve for x
    x = 710,335,624.14/30,611.47
  6. Step 6: Final answer
    x = 23,204.88

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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.