Home / 51,565.48-77,370.28-21,586.72

Finding the Fourth Proportional to 51,565.48, 77,370.28 and 21,586.72

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Solution

The fourth proportional to 51,565.48, 77,370.28 and 21,586.72 is: 32,389.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,565.48 : 77,370.28 = 21,586.72 : x
  2. Step 2: Convert to fraction form
    51,565.48/77,370.28 = 21,586.72/x
  3. Step 3: Cross multiply
    51,565.48x = 77,370.28 × 21,586.72
  4. Step 4: Simplify right side
    51,565.48x = 1,670,170,438.00
  5. Step 5: Solve for x
    x = 1,670,170,438.00/51,565.48
  6. Step 6: Final answer
    x = 32,389.31

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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.