Home / 51,831.77-77,693.84-25,138.24

Finding the Fourth Proportional to 51,831.77, 77,693.84 and 25,138.24

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Solution

The fourth proportional to 51,831.77, 77,693.84 and 25,138.24 is: 37,681.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,831.77 : 77,693.84 = 25,138.24 : x
  2. Step 2: Convert to fraction form
    51,831.77/77,693.84 = 25,138.24/x
  3. Step 3: Cross multiply
    51,831.77x = 77,693.84 × 25,138.24
  4. Step 4: Simplify right side
    51,831.77x = 1,953,086,396.44
  5. Step 5: Solve for x
    x = 1,953,086,396.44/51,831.77
  6. Step 6: Final answer
    x = 37,681.26

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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.