Home / 51,609.22-77,304.47-38,990.23

Finding the Fourth Proportional to 51,609.22, 77,304.47 and 38,990.23

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Solution

The fourth proportional to 51,609.22, 77,304.47 and 38,990.23 is: 58,402.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,609.22 : 77,304.47 = 38,990.23 : x
  2. Step 2: Convert to fraction form
    51,609.22/77,304.47 = 38,990.23/x
  3. Step 3: Cross multiply
    51,609.22x = 77,304.47 × 38,990.23
  4. Step 4: Simplify right side
    51,609.22x = 3,014,119,065.33
  5. Step 5: Solve for x
    x = 3,014,119,065.33/51,609.22
  6. Step 6: Final answer
    x = 58,402.72

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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.