Home / 39,987.15-55,182.02-22,082.01

Finding the Fourth Proportional to 39,987.15, 55,182.02 and 22,082.01

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Solution

The fourth proportional to 39,987.15, 55,182.02 and 22,082.01 is: 30,473.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,987.15 : 55,182.02 = 22,082.01 : x
  2. Step 2: Convert to fraction form
    39,987.15/55,182.02 = 22,082.01/x
  3. Step 3: Cross multiply
    39,987.15x = 55,182.02 × 22,082.01
  4. Step 4: Simplify right side
    39,987.15x = 1,218,529,807.05
  5. Step 5: Solve for x
    x = 1,218,529,807.05/39,987.15
  6. Step 6: Final answer
    x = 30,473.03

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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.