Home / 30,141.06-45,217.80-10,417.02

Finding the Fourth Proportional to 30,141.06, 45,217.80 and 10,417.02

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Solution

The fourth proportional to 30,141.06, 45,217.80 and 10,417.02 is: 15,627.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,141.06 : 45,217.80 = 10,417.02 : x
  2. Step 2: Convert to fraction form
    30,141.06/45,217.80 = 10,417.02/x
  3. Step 3: Cross multiply
    30,141.06x = 45,217.80 × 10,417.02
  4. Step 4: Simplify right side
    30,141.06x = 471,034,726.96
  5. Step 5: Solve for x
    x = 471,034,726.96/30,141.06
  6. Step 6: Final answer
    x = 15,627.68

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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.