Home / 42,883.52-64,329.60-11,719.04

Finding the Fourth Proportional to 42,883.52, 64,329.60 and 11,719.04

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Solution

The fourth proportional to 42,883.52, 64,329.60 and 11,719.04 is: 17,579.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,883.52 : 64,329.60 = 11,719.04 : x
  2. Step 2: Convert to fraction form
    42,883.52/64,329.60 = 11,719.04/x
  3. Step 3: Cross multiply
    42,883.52x = 64,329.60 × 11,719.04
  4. Step 4: Simplify right side
    42,883.52x = 753,881,155.58
  5. Step 5: Solve for x
    x = 753,881,155.58/42,883.52
  6. Step 6: Final answer
    x = 17,579.74

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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.