Home / 44,309.70-66,464.55-20,617.20

Finding the Fourth Proportional to 44,309.70, 66,464.55 and 20,617.20

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Solution

The fourth proportional to 44,309.70, 66,464.55 and 20,617.20 is: 30,925.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,309.70 : 66,464.55 = 20,617.20 : x
  2. Step 2: Convert to fraction form
    44,309.70/66,464.55 = 20,617.20/x
  3. Step 3: Cross multiply
    44,309.70x = 66,464.55 × 20,617.20
  4. Step 4: Simplify right side
    44,309.70x = 1,370,312,920.26
  5. Step 5: Solve for x
    x = 1,370,312,920.26/44,309.70
  6. Step 6: Final answer
    x = 30,925.80

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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.