Home / 55,271.24-82,931.16-20,216.12

Finding the Fourth Proportional to 55,271.24, 82,931.16 and 20,216.12

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Solution

The fourth proportional to 55,271.24, 82,931.16 and 20,216.12 is: 30,333.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,271.24 : 82,931.16 = 20,216.12 : x
  2. Step 2: Convert to fraction form
    55,271.24/82,931.16 = 20,216.12/x
  3. Step 3: Cross multiply
    55,271.24x = 82,931.16 × 20,216.12
  4. Step 4: Simplify right side
    55,271.24x = 1,676,546,282.30
  5. Step 5: Solve for x
    x = 1,676,546,282.30/55,271.24
  6. Step 6: Final answer
    x = 30,333.07

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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.