Home / 42,695.64-64,043.33-11,530.89

Finding the Fourth Proportional to 42,695.64, 64,043.33 and 11,530.89

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Solution

The fourth proportional to 42,695.64, 64,043.33 and 11,530.89 is: 17,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,695.64 : 64,043.33 = 11,530.89 : x
  2. Step 2: Convert to fraction form
    42,695.64/64,043.33 = 11,530.89/x
  3. Step 3: Cross multiply
    42,695.64x = 64,043.33 × 11,530.89
  4. Step 4: Simplify right side
    42,695.64x = 738,476,535.81
  5. Step 5: Solve for x
    x = 738,476,535.81/42,695.64
  6. Step 6: Final answer
    x = 17,296.30

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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.