Home / 39,543.12-54,574.56-22,776.12

Finding the Fourth Proportional to 39,543.12, 54,574.56 and 22,776.12

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Solution

The fourth proportional to 39,543.12, 54,574.56 and 22,776.12 is: 31,433.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,543.12 : 54,574.56 = 22,776.12 : x
  2. Step 2: Convert to fraction form
    39,543.12/54,574.56 = 22,776.12/x
  3. Step 3: Cross multiply
    39,543.12x = 54,574.56 × 22,776.12
  4. Step 4: Simplify right side
    39,543.12x = 1,242,996,727.51
  5. Step 5: Solve for x
    x = 1,242,996,727.51/39,543.12
  6. Step 6: Final answer
    x = 31,433.96

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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.