Home / 30,614.90-42,248.12-17,184.92

Finding the Fourth Proportional to 30,614.90, 42,248.12 and 17,184.92

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Solution

The fourth proportional to 30,614.90, 42,248.12 and 17,184.92 is: 23,714.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,614.90 : 42,248.12 = 17,184.92 : x
  2. Step 2: Convert to fraction form
    30,614.90/42,248.12 = 17,184.92/x
  3. Step 3: Cross multiply
    30,614.90x = 42,248.12 × 17,184.92
  4. Step 4: Simplify right side
    30,614.90x = 726,030,265.19
  5. Step 5: Solve for x
    x = 726,030,265.19/30,614.90
  6. Step 6: Final answer
    x = 23,714.94

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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.