Home / 32,721.44-49,041.72-18,693.20

Finding the Fourth Proportional to 32,721.44, 49,041.72 and 18,693.20

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Solution

The fourth proportional to 32,721.44, 49,041.72 and 18,693.20 is: 28,016.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,721.44 : 49,041.72 = 18,693.20 : x
  2. Step 2: Convert to fraction form
    32,721.44/49,041.72 = 18,693.20/x
  3. Step 3: Cross multiply
    32,721.44x = 49,041.72 × 18,693.20
  4. Step 4: Simplify right side
    32,721.44x = 916,746,680.30
  5. Step 5: Solve for x
    x = 916,746,680.30/32,721.44
  6. Step 6: Final answer
    x = 28,016.70

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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.