Home / 43,007.04-64,481.40-21,895.20

Finding the Fourth Proportional to 43,007.04, 64,481.40 and 21,895.20

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Solution

The fourth proportional to 43,007.04, 64,481.40 and 21,895.20 is: 32,827.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,007.04 : 64,481.40 = 21,895.20 : x
  2. Step 2: Convert to fraction form
    43,007.04/64,481.40 = 21,895.20/x
  3. Step 3: Cross multiply
    43,007.04x = 64,481.40 × 21,895.20
  4. Step 4: Simplify right side
    43,007.04x = 1,411,833,149.28
  5. Step 5: Solve for x
    x = 1,411,833,149.28/43,007.04
  6. Step 6: Final answer
    x = 32,827.95

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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.