Home / 45,621.52-68,434.17-15,656.36

Finding the Fourth Proportional to 45,621.52, 68,434.17 and 15,656.36

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Solution

The fourth proportional to 45,621.52, 68,434.17 and 15,656.36 is: 23,485.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,621.52 : 68,434.17 = 15,656.36 : x
  2. Step 2: Convert to fraction form
    45,621.52/68,434.17 = 15,656.36/x
  3. Step 3: Cross multiply
    45,621.52x = 68,434.17 × 15,656.36
  4. Step 4: Simplify right side
    45,621.52x = 1,071,430,001.82
  5. Step 5: Solve for x
    x = 1,071,430,001.82/45,621.52
  6. Step 6: Final answer
    x = 23,485.19

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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.