Home / 30,877.18-42,609.95-17,448.14

Finding the Fourth Proportional to 30,877.18, 42,609.95 and 17,448.14

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Solution

The fourth proportional to 30,877.18, 42,609.95 and 17,448.14 is: 24,078.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,877.18 : 42,609.95 = 17,448.14 : x
  2. Step 2: Convert to fraction form
    30,877.18/42,609.95 = 17,448.14/x
  3. Step 3: Cross multiply
    30,877.18x = 42,609.95 × 17,448.14
  4. Step 4: Simplify right side
    30,877.18x = 743,464,285.75
  5. Step 5: Solve for x
    x = 743,464,285.75/30,877.18
  6. Step 6: Final answer
    x = 24,078.12

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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.