Home / 42,960.08-64,363.88-17,945.08

Finding the Fourth Proportional to 42,960.08, 64,363.88 and 17,945.08

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Solution

The fourth proportional to 42,960.08, 64,363.88 and 17,945.08 is: 26,885.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,960.08 : 64,363.88 = 17,945.08 : x
  2. Step 2: Convert to fraction form
    42,960.08/64,363.88 = 17,945.08/x
  3. Step 3: Cross multiply
    42,960.08x = 64,363.88 × 17,945.08
  4. Step 4: Simplify right side
    42,960.08x = 1,155,014,859.66
  5. Step 5: Solve for x
    x = 1,155,014,859.66/42,960.08
  6. Step 6: Final answer
    x = 26,885.77

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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.