Home / 48,484.72-72,714.12-13,426.30

Finding the Fourth Proportional to 48,484.72, 72,714.12 and 13,426.30

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Solution

The fourth proportional to 48,484.72, 72,714.12 and 13,426.30 is: 20,135.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,484.72 : 72,714.12 = 13,426.30 : x
  2. Step 2: Convert to fraction form
    48,484.72/72,714.12 = 13,426.30/x
  3. Step 3: Cross multiply
    48,484.72x = 72,714.12 × 13,426.30
  4. Step 4: Simplify right side
    48,484.72x = 976,281,589.36
  5. Step 5: Solve for x
    x = 976,281,589.36/48,484.72
  6. Step 6: Final answer
    x = 20,135.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.