Home / 45,239.31-62,451.68-30,157.11

Finding the Fourth Proportional to 45,239.31, 62,451.68 and 30,157.11

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Solution

The fourth proportional to 45,239.31, 62,451.68 and 30,157.11 is: 41,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,239.31 : 62,451.68 = 30,157.11 : x
  2. Step 2: Convert to fraction form
    45,239.31/62,451.68 = 30,157.11/x
  3. Step 3: Cross multiply
    45,239.31x = 62,451.68 × 30,157.11
  4. Step 4: Simplify right side
    45,239.31x = 1,883,362,032.66
  5. Step 5: Solve for x
    x = 1,883,362,032.66/45,239.31
  6. Step 6: Final answer
    x = 41,631.10

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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.