Home / 64,497.04-96,746.16-19,518.72

Finding the Fourth Proportional to 64,497.04, 96,746.16 and 19,518.72

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Solution

The fourth proportional to 64,497.04, 96,746.16 and 19,518.72 is: 29,278.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,497.04 : 96,746.16 = 19,518.72 : x
  2. Step 2: Convert to fraction form
    64,497.04/96,746.16 = 19,518.72/x
  3. Step 3: Cross multiply
    64,497.04x = 96,746.16 × 19,518.72
  4. Step 4: Simplify right side
    64,497.04x = 1,888,361,208.12
  5. Step 5: Solve for x
    x = 1,888,361,208.12/64,497.04
  6. Step 6: Final answer
    x = 29,278.26

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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.