Home / 64,465.04-96,689.28-17,721.56

Finding the Fourth Proportional to 64,465.04, 96,689.28 and 17,721.56

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Solution

The fourth proportional to 64,465.04, 96,689.28 and 17,721.56 is: 26,580.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,465.04 : 96,689.28 = 17,721.56 : x
  2. Step 2: Convert to fraction form
    64,465.04/96,689.28 = 17,721.56/x
  3. Step 3: Cross multiply
    64,465.04x = 96,689.28 × 17,721.56
  4. Step 4: Simplify right side
    64,465.04x = 1,713,484,876.88
  5. Step 5: Solve for x
    x = 1,713,484,876.88/64,465.04
  6. Step 6: Final answer
    x = 26,580.06

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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.