Home / 30,187.76-41,646.15-18,244.17

Finding the Fourth Proportional to 30,187.76, 41,646.15 and 18,244.17

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Solution

The fourth proportional to 30,187.76, 41,646.15 and 18,244.17 is: 25,169.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,187.76 : 41,646.15 = 18,244.17 : x
  2. Step 2: Convert to fraction form
    30,187.76/41,646.15 = 18,244.17/x
  3. Step 3: Cross multiply
    30,187.76x = 41,646.15 × 18,244.17
  4. Step 4: Simplify right side
    30,187.76x = 759,799,440.45
  5. Step 5: Solve for x
    x = 759,799,440.45/30,187.76
  6. Step 6: Final answer
    x = 25,169.13

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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.