Home / 42,913.08-64,348.56-17,945.64

Finding the Fourth Proportional to 42,913.08, 64,348.56 and 17,945.64

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Solution

The fourth proportional to 42,913.08, 64,348.56 and 17,945.64 is: 26,909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,913.08 : 64,348.56 = 17,945.64 : x
  2. Step 2: Convert to fraction form
    42,913.08/64,348.56 = 17,945.64/x
  3. Step 3: Cross multiply
    42,913.08x = 64,348.56 × 17,945.64
  4. Step 4: Simplify right side
    42,913.08x = 1,154,776,092.28
  5. Step 5: Solve for x
    x = 1,154,776,092.28/42,913.08
  6. Step 6: Final answer
    x = 26,909.65

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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.