Home / 30,877.19-42,612.38-17,448.13

Finding the Fourth Proportional to 30,877.19, 42,612.38 and 17,448.13

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Solution

The fourth proportional to 30,877.19, 42,612.38 and 17,448.13 is: 24,079.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,877.19 : 42,612.38 = 17,448.13 : x
  2. Step 2: Convert to fraction form
    30,877.19/42,612.38 = 17,448.13/x
  3. Step 3: Cross multiply
    30,877.19x = 42,612.38 × 17,448.13
  4. Step 4: Simplify right side
    30,877.19x = 743,506,258.61
  5. Step 5: Solve for x
    x = 743,506,258.61/30,877.19
  6. Step 6: Final answer
    x = 24,079.47

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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.