Home / 55,777.32-76,972.80-31,904.16

Finding the Fourth Proportional to 55,777.32, 76,972.80 and 31,904.16

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Solution

The fourth proportional to 55,777.32, 76,972.80 and 31,904.16 is: 44,027.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,777.32 : 76,972.80 = 31,904.16 : x
  2. Step 2: Convert to fraction form
    55,777.32/76,972.80 = 31,904.16/x
  3. Step 3: Cross multiply
    55,777.32x = 76,972.80 × 31,904.16
  4. Step 4: Simplify right side
    55,777.32x = 2,455,752,526.85
  5. Step 5: Solve for x
    x = 2,455,752,526.85/55,777.32
  6. Step 6: Final answer
    x = 44,027.80

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1.5x scale

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.