Home / 32,617.04-45,011.28-18,469.76

Finding the Fourth Proportional to 32,617.04, 45,011.28 and 18,469.76

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Solution

The fourth proportional to 32,617.04, 45,011.28 and 18,469.76 is: 25,488.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,617.04 : 45,011.28 = 18,469.76 : x
  2. Step 2: Convert to fraction form
    32,617.04/45,011.28 = 18,469.76/x
  3. Step 3: Cross multiply
    32,617.04x = 45,011.28 × 18,469.76
  4. Step 4: Simplify right side
    32,617.04x = 831,347,538.89
  5. Step 5: Solve for x
    x = 831,347,538.89/32,617.04
  6. Step 6: Final answer
    x = 25,488.14

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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.