Home / 32,421.20-48,646.38-19,960.16

Finding the Fourth Proportional to 32,421.20, 48,646.38 and 19,960.16

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Solution

The fourth proportional to 32,421.20, 48,646.38 and 19,960.16 is: 29,949.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,421.20 : 48,646.38 = 19,960.16 : x
  2. Step 2: Convert to fraction form
    32,421.20/48,646.38 = 19,960.16/x
  3. Step 3: Cross multiply
    32,421.20x = 48,646.38 × 19,960.16
  4. Step 4: Simplify right side
    32,421.20x = 970,989,528.22
  5. Step 5: Solve for x
    x = 970,989,528.22/32,421.20
  6. Step 6: Final answer
    x = 29,949.22

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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.