Home / 42,707.71-64,040.06-14,234.58

Finding the Fourth Proportional to 42,707.71, 64,040.06 and 14,234.58

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Solution

The fourth proportional to 42,707.71, 64,040.06 and 14,234.58 is: 21,344.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,707.71 : 64,040.06 = 14,234.58 : x
  2. Step 2: Convert to fraction form
    42,707.71/64,040.06 = 14,234.58/x
  3. Step 3: Cross multiply
    42,707.71x = 64,040.06 × 14,234.58
  4. Step 4: Simplify right side
    42,707.71x = 911,583,012.60
  5. Step 5: Solve for x
    x = 911,583,012.60/42,707.71
  6. Step 6: Final answer
    x = 21,344.70

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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.