Home / 55,521.68-76,618.56-34,019.78

Finding the Fourth Proportional to 55,521.68, 76,618.56 and 34,019.78

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Solution

The fourth proportional to 55,521.68, 76,618.56 and 34,019.78 is: 46,946.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,521.68 : 76,618.56 = 34,019.78 : x
  2. Step 2: Convert to fraction form
    55,521.68/76,618.56 = 34,019.78/x
  3. Step 3: Cross multiply
    55,521.68x = 76,618.56 × 34,019.78
  4. Step 4: Simplify right side
    55,521.68x = 2,606,546,555.12
  5. Step 5: Solve for x
    x = 2,606,546,555.12/55,521.68
  6. Step 6: Final answer
    x = 46,946.46

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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.