Home / 42,220.20-58,282.80-26,913.36

Finding the Fourth Proportional to 42,220.20, 58,282.80 and 26,913.36

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Solution

The fourth proportional to 42,220.20, 58,282.80 and 26,913.36 is: 37,152.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,220.20 : 58,282.80 = 26,913.36 : x
  2. Step 2: Convert to fraction form
    42,220.20/58,282.80 = 26,913.36/x
  3. Step 3: Cross multiply
    42,220.20x = 58,282.80 × 26,913.36
  4. Step 4: Simplify right side
    42,220.20x = 1,568,585,978.21
  5. Step 5: Solve for x
    x = 1,568,585,978.21/42,220.20
  6. Step 6: Final answer
    x = 37,152.50

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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.