Home / 32,780.48-45,236.63-18,439.23

Finding the Fourth Proportional to 32,780.48, 45,236.63 and 18,439.23

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Solution

The fourth proportional to 32,780.48, 45,236.63 and 18,439.23 is: 25,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,780.48 : 45,236.63 = 18,439.23 : x
  2. Step 2: Convert to fraction form
    32,780.48/45,236.63 = 18,439.23/x
  3. Step 3: Cross multiply
    32,780.48x = 45,236.63 × 18,439.23
  4. Step 4: Simplify right side
    32,780.48x = 834,128,532.80
  5. Step 5: Solve for x
    x = 834,128,532.80/32,780.48
  6. Step 6: Final answer
    x = 25,445.90

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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.