Home / 57,222.18-78,948.27-33,019.38

Finding the Fourth Proportional to 57,222.18, 78,948.27 and 33,019.38

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Solution

The fourth proportional to 57,222.18, 78,948.27 and 33,019.38 is: 45,556.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,222.18 : 78,948.27 = 33,019.38 : x
  2. Step 2: Convert to fraction form
    57,222.18/78,948.27 = 33,019.38/x
  3. Step 3: Cross multiply
    57,222.18x = 78,948.27 × 33,019.38
  4. Step 4: Simplify right side
    57,222.18x = 2,606,822,927.47
  5. Step 5: Solve for x
    x = 2,606,822,927.47/57,222.18
  6. Step 6: Final answer
    x = 45,556.16

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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.