Home / 63,316.74-94,927.92-21,171.90

Finding the Fourth Proportional to 63,316.74, 94,927.92 and 21,171.90

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Solution

The fourth proportional to 63,316.74, 94,927.92 and 21,171.90 is: 31,742.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,316.74 : 94,927.92 = 21,171.90 : x
  2. Step 2: Convert to fraction form
    63,316.74/94,927.92 = 21,171.90/x
  3. Step 3: Cross multiply
    63,316.74x = 94,927.92 × 21,171.90
  4. Step 4: Simplify right side
    63,316.74x = 2,009,804,429.45
  5. Step 5: Solve for x
    x = 2,009,804,429.45/63,316.74
  6. Step 6: Final answer
    x = 31,742.07

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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.