Home / 42,947.48-59,295.36-27,640.89

Finding the Fourth Proportional to 42,947.48, 59,295.36 and 27,640.89

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Solution

The fourth proportional to 42,947.48, 59,295.36 and 27,640.89 is: 38,162.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,947.48 : 59,295.36 = 27,640.89 : x
  2. Step 2: Convert to fraction form
    42,947.48/59,295.36 = 27,640.89/x
  3. Step 3: Cross multiply
    42,947.48x = 59,295.36 × 27,640.89
  4. Step 4: Simplify right side
    42,947.48x = 1,638,976,523.27
  5. Step 5: Solve for x
    x = 1,638,976,523.27/42,947.48
  6. Step 6: Final answer
    x = 38,162.34

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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.