Home / 57,988.08-87,015.57-31,334.13

Finding the Fourth Proportional to 57,988.08, 87,015.57 and 31,334.13

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Solution

The fourth proportional to 57,988.08, 87,015.57 and 31,334.13 is: 47,019.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,988.08 : 87,015.57 = 31,334.13 : x
  2. Step 2: Convert to fraction form
    57,988.08/87,015.57 = 31,334.13/x
  3. Step 3: Cross multiply
    57,988.08x = 87,015.57 × 31,334.13
  4. Step 4: Simplify right side
    57,988.08x = 2,726,557,182.40
  5. Step 5: Solve for x
    x = 2,726,557,182.40/57,988.08
  6. Step 6: Final answer
    x = 47,019.27

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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.