Home / 32,670.64-45,084.12-18,523.18

Finding the Fourth Proportional to 32,670.64, 45,084.12 and 18,523.18

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Solution

The fourth proportional to 32,670.64, 45,084.12 and 18,523.18 is: 25,561.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,670.64 : 45,084.12 = 18,523.18 : x
  2. Step 2: Convert to fraction form
    32,670.64/45,084.12 = 18,523.18/x
  3. Step 3: Cross multiply
    32,670.64x = 45,084.12 × 18,523.18
  4. Step 4: Simplify right side
    32,670.64x = 835,101,269.90
  5. Step 5: Solve for x
    x = 835,101,269.90/32,670.64
  6. Step 6: Final answer
    x = 25,561.22

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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.