Home / 42,777.28-64,176.84-17,809.04

Finding the Fourth Proportional to 42,777.28, 64,176.84 and 17,809.04

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Solution

The fourth proportional to 42,777.28, 64,176.84 and 17,809.04 is: 26,718.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,777.28 : 64,176.84 = 17,809.04 : x
  2. Step 2: Convert to fraction form
    42,777.28/64,176.84 = 17,809.04/x
  3. Step 3: Cross multiply
    42,777.28x = 64,176.84 × 17,809.04
  4. Step 4: Simplify right side
    42,777.28x = 1,142,927,910.63
  5. Step 5: Solve for x
    x = 1,142,927,910.63/42,777.28
  6. Step 6: Final answer
    x = 26,718.11

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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.