Home / 51,386.76-77,132.52-27,693.36

Finding the Fourth Proportional to 51,386.76, 77,132.52 and 27,693.36

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Solution

The fourth proportional to 51,386.76, 77,132.52 and 27,693.36 is: 41,568.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,386.76 : 77,132.52 = 27,693.36 : x
  2. Step 2: Convert to fraction form
    51,386.76/77,132.52 = 27,693.36/x
  3. Step 3: Cross multiply
    51,386.76x = 77,132.52 × 27,693.36
  4. Step 4: Simplify right side
    51,386.76x = 2,136,058,644.07
  5. Step 5: Solve for x
    x = 2,136,058,644.07/51,386.76
  6. Step 6: Final answer
    x = 41,568.27

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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.