Home / 51,539.35-77,331.03-21,971.11

Finding the Fourth Proportional to 51,539.35, 77,331.03 and 21,971.11

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Solution

The fourth proportional to 51,539.35, 77,331.03 and 21,971.11 is: 32,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,539.35 : 77,331.03 = 21,971.11 : x
  2. Step 2: Convert to fraction form
    51,539.35/77,331.03 = 21,971.11/x
  3. Step 3: Cross multiply
    51,539.35x = 77,331.03 × 21,971.11
  4. Step 4: Simplify right side
    51,539.35x = 1,699,048,566.54
  5. Step 5: Solve for x
    x = 1,699,048,566.54/51,539.35
  6. Step 6: Final answer
    x = 32,966.05

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1.5x scale

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.