Home / 30,252.74-45,386.46-10,531.40

Finding the Fourth Proportional to 30,252.74, 45,386.46 and 10,531.40

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Solution

The fourth proportional to 30,252.74, 45,386.46 and 10,531.40 is: 15,799.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,252.74 : 45,386.46 = 10,531.40 : x
  2. Step 2: Convert to fraction form
    30,252.74/45,386.46 = 10,531.40/x
  3. Step 3: Cross multiply
    30,252.74x = 45,386.46 × 10,531.40
  4. Step 4: Simplify right side
    30,252.74x = 477,982,737.91
  5. Step 5: Solve for x
    x = 477,982,737.91/30,252.74
  6. Step 6: Final answer
    x = 15,799.65

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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.