Home / 30,290.61-45,432.67-10,569.54

Finding the Fourth Proportional to 30,290.61, 45,432.67 and 10,569.54

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Solution

The fourth proportional to 30,290.61, 45,432.67 and 10,569.54 is: 15,853.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,290.61 : 45,432.67 = 10,569.54 : x
  2. Step 2: Convert to fraction form
    30,290.61/45,432.67 = 10,569.54/x
  3. Step 3: Cross multiply
    30,290.61x = 45,432.67 × 10,569.54
  4. Step 4: Simplify right side
    30,290.61x = 480,202,422.87
  5. Step 5: Solve for x
    x = 480,202,422.87/30,290.61
  6. Step 6: Final answer
    x = 15,853.18

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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.