Home / 60,831.38-91,250.31-19,281.62

Finding the Fourth Proportional to 60,831.38, 91,250.31 and 19,281.62

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Solution

The fourth proportional to 60,831.38, 91,250.31 and 19,281.62 is: 28,923.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,831.38 : 91,250.31 = 19,281.62 : x
  2. Step 2: Convert to fraction form
    60,831.38/91,250.31 = 19,281.62/x
  3. Step 3: Cross multiply
    60,831.38x = 91,250.31 × 19,281.62
  4. Step 4: Simplify right side
    60,831.38x = 1,759,453,802.30
  5. Step 5: Solve for x
    x = 1,759,453,802.30/60,831.38
  6. Step 6: Final answer
    x = 28,923.46

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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.