Home / 51,831.46-77,697.93-20,261.77

Finding the Fourth Proportional to 51,831.46, 77,697.93 and 20,261.77

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Solution

The fourth proportional to 51,831.46, 77,697.93 and 20,261.77 is: 30,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,831.46 : 77,697.93 = 20,261.77 : x
  2. Step 2: Convert to fraction form
    51,831.46/77,697.93 = 20,261.77/x
  3. Step 3: Cross multiply
    51,831.46x = 77,697.93 × 20,261.77
  4. Step 4: Simplify right side
    51,831.46x = 1,574,297,587.14
  5. Step 5: Solve for x
    x = 1,574,297,587.14/51,831.46
  6. Step 6: Final answer
    x = 30,373.40

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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.