Home / 51,971.31-77,901.21-27,005.22

Finding the Fourth Proportional to 51,971.31, 77,901.21 and 27,005.22

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Solution

The fourth proportional to 51,971.31, 77,901.21 and 27,005.22 is: 40,478.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,971.31 : 77,901.21 = 27,005.22 : x
  2. Step 2: Convert to fraction form
    51,971.31/77,901.21 = 27,005.22/x
  3. Step 3: Cross multiply
    51,971.31x = 77,901.21 × 27,005.22
  4. Step 4: Simplify right side
    51,971.31x = 2,103,739,314.32
  5. Step 5: Solve for x
    x = 2,103,739,314.32/51,971.31
  6. Step 6: Final answer
    x = 40,478.86

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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.