Home / 32,758.86-45,207.38-18,612.48

Finding the Fourth Proportional to 32,758.86, 45,207.38 and 18,612.48

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Solution

The fourth proportional to 32,758.86, 45,207.38 and 18,612.48 is: 25,685.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,758.86 : 45,207.38 = 18,612.48 : x
  2. Step 2: Convert to fraction form
    32,758.86/45,207.38 = 18,612.48/x
  3. Step 3: Cross multiply
    32,758.86x = 45,207.38 × 18,612.48
  4. Step 4: Simplify right side
    32,758.86x = 841,421,456.10
  5. Step 5: Solve for x
    x = 841,421,456.10/32,758.86
  6. Step 6: Final answer
    x = 25,685.31

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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.