Home / 32,948.12-45,423.20-20,842.58

Finding the Fourth Proportional to 32,948.12, 45,423.20 and 20,842.58

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Solution

The fourth proportional to 32,948.12, 45,423.20 and 20,842.58 is: 28,734.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,948.12 : 45,423.20 = 20,842.58 : x
  2. Step 2: Convert to fraction form
    32,948.12/45,423.20 = 20,842.58/x
  3. Step 3: Cross multiply
    32,948.12x = 45,423.20 × 20,842.58
  4. Step 4: Simplify right side
    32,948.12x = 946,736,679.86
  5. Step 5: Solve for x
    x = 946,736,679.86/32,948.12
  6. Step 6: Final answer
    x = 28,734.16

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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.