Home / 30,543.92-45,801.40-11,832.72

Finding the Fourth Proportional to 30,543.92, 45,801.40 and 11,832.72

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Solution

The fourth proportional to 30,543.92, 45,801.40 and 11,832.72 is: 17,743.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,543.92 : 45,801.40 = 11,832.72 : x
  2. Step 2: Convert to fraction form
    30,543.92/45,801.40 = 11,832.72/x
  3. Step 3: Cross multiply
    30,543.92x = 45,801.40 × 11,832.72
  4. Step 4: Simplify right side
    30,543.92x = 541,955,141.81
  5. Step 5: Solve for x
    x = 541,955,141.81/30,543.92
  6. Step 6: Final answer
    x = 17,743.47

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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.