Home / 55,873.36-77,106.56-30,722.84

Finding the Fourth Proportional to 55,873.36, 77,106.56 and 30,722.84

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Solution

The fourth proportional to 55,873.36, 77,106.56 and 30,722.84 is: 42,398.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,873.36 : 77,106.56 = 30,722.84 : x
  2. Step 2: Convert to fraction form
    55,873.36/77,106.56 = 30,722.84/x
  3. Step 3: Cross multiply
    55,873.36x = 77,106.56 × 30,722.84
  4. Step 4: Simplify right side
    55,873.36x = 2,368,932,505.83
  5. Step 5: Solve for x
    x = 2,368,932,505.83/55,873.36
  6. Step 6: Final answer
    x = 42,398.25

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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.