Home / 55,821.59-77,032.20-31,947.45

Finding the Fourth Proportional to 55,821.59, 77,032.20 and 31,947.45

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Solution

The fourth proportional to 55,821.59, 77,032.20 and 31,947.45 is: 44,086.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,821.59 : 77,032.20 = 31,947.45 : x
  2. Step 2: Convert to fraction form
    55,821.59/77,032.20 = 31,947.45/x
  3. Step 3: Cross multiply
    55,821.59x = 77,032.20 × 31,947.45
  4. Step 4: Simplify right side
    55,821.59x = 2,460,982,357.89
  5. Step 5: Solve for x
    x = 2,460,982,357.89/55,821.59
  6. Step 6: Final answer
    x = 44,086.57

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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.