Home / 32,741.97-45,178.61-18,400.11

Finding the Fourth Proportional to 32,741.97, 45,178.61 and 18,400.11

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Solution

The fourth proportional to 32,741.97, 45,178.61 and 18,400.11 is: 25,389.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,741.97 : 45,178.61 = 18,400.11 : x
  2. Step 2: Convert to fraction form
    32,741.97/45,178.61 = 18,400.11/x
  3. Step 3: Cross multiply
    32,741.97x = 45,178.61 × 18,400.11
  4. Step 4: Simplify right side
    32,741.97x = 831,291,301.65
  5. Step 5: Solve for x
    x = 831,291,301.65/32,741.97
  6. Step 6: Final answer
    x = 25,389.17

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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.