Home / 39,666.75-54,741.15-22,437.72

Finding the Fourth Proportional to 39,666.75, 54,741.15 and 22,437.72

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Solution

The fourth proportional to 39,666.75, 54,741.15 and 22,437.72 is: 30,964.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,666.75 : 54,741.15 = 22,437.72 : x
  2. Step 2: Convert to fraction form
    39,666.75/54,741.15 = 22,437.72/x
  3. Step 3: Cross multiply
    39,666.75x = 54,741.15 × 22,437.72
  4. Step 4: Simplify right side
    39,666.75x = 1,228,266,596.18
  5. Step 5: Solve for x
    x = 1,228,266,596.18/39,666.75
  6. Step 6: Final answer
    x = 30,964.64

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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.