Home / 60,831.66-91,247.40-19,275.42

Finding the Fourth Proportional to 60,831.66, 91,247.40 and 19,275.42

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Solution

The fourth proportional to 60,831.66, 91,247.40 and 19,275.42 is: 28,913.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,831.66 : 91,247.40 = 19,275.42 : x
  2. Step 2: Convert to fraction form
    60,831.66/91,247.40 = 19,275.42/x
  3. Step 3: Cross multiply
    60,831.66x = 91,247.40 × 19,275.42
  4. Step 4: Simplify right side
    60,831.66x = 1,758,831,958.91
  5. Step 5: Solve for x
    x = 1,758,831,958.91/60,831.66
  6. Step 6: Final answer
    x = 28,913.10

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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.