Home / 55,794.06-76,995.80-30,643.56

Finding the Fourth Proportional to 55,794.06, 76,995.80 and 30,643.56

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Solution

The fourth proportional to 55,794.06, 76,995.80 and 30,643.56 is: 42,288.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,794.06 : 76,995.80 = 30,643.56 : x
  2. Step 2: Convert to fraction form
    55,794.06/76,995.80 = 30,643.56/x
  3. Step 3: Cross multiply
    55,794.06x = 76,995.80 × 30,643.56
  4. Step 4: Simplify right side
    55,794.06x = 2,359,425,417.05
  5. Step 5: Solve for x
    x = 2,359,425,417.05/55,794.06
  6. Step 6: Final answer
    x = 42,288.11

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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.