Home / 52,410.80-72,332.86-31,190.06

Finding the Fourth Proportional to 52,410.80, 72,332.86 and 31,190.06

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Solution

The fourth proportional to 52,410.80, 72,332.86 and 31,190.06 is: 43,045.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,410.80 : 72,332.86 = 31,190.06 : x
  2. Step 2: Convert to fraction form
    52,410.80/72,332.86 = 31,190.06/x
  3. Step 3: Cross multiply
    52,410.80x = 72,332.86 × 31,190.06
  4. Step 4: Simplify right side
    52,410.80x = 2,256,066,243.37
  5. Step 5: Solve for x
    x = 2,256,066,243.37/52,410.80
  6. Step 6: Final answer
    x = 43,045.83

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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.