Home / 39,188.42-54,077.78-23,053.22

Finding the Fourth Proportional to 39,188.42, 54,077.78 and 23,053.22

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Solution

The fourth proportional to 39,188.42, 54,077.78 and 23,053.22 is: 31,812.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,188.42 : 54,077.78 = 23,053.22 : x
  2. Step 2: Convert to fraction form
    39,188.42/54,077.78 = 23,053.22/x
  3. Step 3: Cross multiply
    39,188.42x = 54,077.78 × 23,053.22
  4. Step 4: Simplify right side
    39,188.42x = 1,246,666,959.45
  5. Step 5: Solve for x
    x = 1,246,666,959.45/39,188.42
  6. Step 6: Final answer
    x = 31,812.13

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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.