Home / 45,239.20-62,451.48-30,157

Finding the Fourth Proportional to 45,239.20, 62,451.48 and 30,157

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Solution

The fourth proportional to 45,239.20, 62,451.48 and 30,157 is: 41,630.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,239.20 : 62,451.48 = 30,157 : x
  2. Step 2: Convert to fraction form
    45,239.20/62,451.48 = 30,157/x
  3. Step 3: Cross multiply
    45,239.20x = 62,451.48 × 30,157
  4. Step 4: Simplify right side
    45,239.20x = 1,883,349,282.36
  5. Step 5: Solve for x
    x = 1,883,349,282.36/45,239.20
  6. Step 6: Final answer
    x = 41,630.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.