Home / 58,036.40-87,047.78-15,920.73

Finding the Fourth Proportional to 58,036.40, 87,047.78 and 15,920.73

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Solution

The fourth proportional to 58,036.40, 87,047.78 and 15,920.73 is: 23,879.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,036.40 : 87,047.78 = 15,920.73 : x
  2. Step 2: Convert to fraction form
    58,036.40/87,047.78 = 15,920.73/x
  3. Step 3: Cross multiply
    58,036.40x = 87,047.78 × 15,920.73
  4. Step 4: Simplify right side
    58,036.40x = 1,385,864,122.88
  5. Step 5: Solve for x
    x = 1,385,864,122.88/58,036.40
  6. Step 6: Final answer
    x = 23,879.22

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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.