Home / 32,749.12-45,158.02-22,120.30

Finding the Fourth Proportional to 32,749.12, 45,158.02 and 22,120.30

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Solution

The fourth proportional to 32,749.12, 45,158.02 and 22,120.30 is: 30,501.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,749.12 : 45,158.02 = 22,120.30 : x
  2. Step 2: Convert to fraction form
    32,749.12/45,158.02 = 22,120.30/x
  3. Step 3: Cross multiply
    32,749.12x = 45,158.02 × 22,120.30
  4. Step 4: Simplify right side
    32,749.12x = 998,908,724.02
  5. Step 5: Solve for x
    x = 998,908,724.02/32,749.12
  6. Step 6: Final answer
    x = 30,501.85

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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.