Home / 58,016.98-87,000.86-20,586.47

Finding the Fourth Proportional to 58,016.98, 87,000.86 and 20,586.47

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Solution

The fourth proportional to 58,016.98, 87,000.86 and 20,586.47 is: 30,870.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,016.98 : 87,000.86 = 20,586.47 : x
  2. Step 2: Convert to fraction form
    58,016.98/87,000.86 = 20,586.47/x
  3. Step 3: Cross multiply
    58,016.98x = 87,000.86 × 20,586.47
  4. Step 4: Simplify right side
    58,016.98x = 1,791,040,594.36
  5. Step 5: Solve for x
    x = 1,791,040,594.36/58,016.98
  6. Step 6: Final answer
    x = 30,870.97

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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.