Home / 30,253.72-45,387.59-10,262.15

Finding the Fourth Proportional to 30,253.72, 45,387.59 and 10,262.15

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Solution

The fourth proportional to 30,253.72, 45,387.59 and 10,262.15 is: 15,395.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,253.72 : 45,387.59 = 10,262.15 : x
  2. Step 2: Convert to fraction form
    30,253.72/45,387.59 = 10,262.15/x
  3. Step 3: Cross multiply
    30,253.72x = 45,387.59 × 10,262.15
  4. Step 4: Simplify right side
    30,253.72x = 465,773,978.47
  5. Step 5: Solve for x
    x = 465,773,978.47/30,253.72
  6. Step 6: Final answer
    x = 15,395.59

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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.