Home / 55,984.16-83,947.08-20,894.96

Finding the Fourth Proportional to 55,984.16, 83,947.08 and 20,894.96

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Solution

The fourth proportional to 55,984.16, 83,947.08 and 20,894.96 is: 31,331.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,984.16 : 83,947.08 = 20,894.96 : x
  2. Step 2: Convert to fraction form
    55,984.16/83,947.08 = 20,894.96/x
  3. Step 3: Cross multiply
    55,984.16x = 83,947.08 × 20,894.96
  4. Step 4: Simplify right side
    55,984.16x = 1,754,070,878.72
  5. Step 5: Solve for x
    x = 1,754,070,878.72/55,984.16
  6. Step 6: Final answer
    x = 31,331.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.