Home / 36,679.64-55,017.65-21,490.81

Finding the Fourth Proportional to 36,679.64, 55,017.65 and 21,490.81

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Solution

The fourth proportional to 36,679.64, 55,017.65 and 21,490.81 is: 32,235.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,679.64 : 55,017.65 = 21,490.81 : x
  2. Step 2: Convert to fraction form
    36,679.64/55,017.65 = 21,490.81/x
  3. Step 3: Cross multiply
    36,679.64x = 55,017.65 × 21,490.81
  4. Step 4: Simplify right side
    36,679.64x = 1,182,373,824.11
  5. Step 5: Solve for x
    x = 1,182,373,824.11/36,679.64
  6. Step 6: Final answer
    x = 32,235.15

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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.