Home / 42,960.27-64,432.98-11,370.54

Finding the Fourth Proportional to 42,960.27, 64,432.98 and 11,370.54

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Solution

The fourth proportional to 42,960.27, 64,432.98 and 11,370.54 is: 17,053.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,960.27 : 64,432.98 = 11,370.54 : x
  2. Step 2: Convert to fraction form
    42,960.27/64,432.98 = 11,370.54/x
  3. Step 3: Cross multiply
    42,960.27x = 64,432.98 × 11,370.54
  4. Step 4: Simplify right side
    42,960.27x = 732,637,776.41
  5. Step 5: Solve for x
    x = 732,637,776.41/42,960.27
  6. Step 6: Final answer
    x = 17,053.84

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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.