Home / 51,563.04-71,155.80-30,051.42

Finding the Fourth Proportional to 51,563.04, 71,155.80 and 30,051.42

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Solution

The fourth proportional to 51,563.04, 71,155.80 and 30,051.42 is: 41,470.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,563.04 : 71,155.80 = 30,051.42 : x
  2. Step 2: Convert to fraction form
    51,563.04/71,155.80 = 30,051.42/x
  3. Step 3: Cross multiply
    51,563.04x = 71,155.80 × 30,051.42
  4. Step 4: Simplify right side
    51,563.04x = 2,138,332,831.24
  5. Step 5: Solve for x
    x = 2,138,332,831.24/51,563.04
  6. Step 6: Final answer
    x = 41,470.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.