Home / 42,777.78-59,023.85-26,856.42

Finding the Fourth Proportional to 42,777.78, 59,023.85 and 26,856.42

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Solution

The fourth proportional to 42,777.78, 59,023.85 and 26,856.42 is: 37,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,777.78 : 59,023.85 = 26,856.42 : x
  2. Step 2: Convert to fraction form
    42,777.78/59,023.85 = 26,856.42/x
  3. Step 3: Cross multiply
    42,777.78x = 59,023.85 × 26,856.42
  4. Step 4: Simplify right side
    42,777.78x = 1,585,169,305.62
  5. Step 5: Solve for x
    x = 1,585,169,305.62/42,777.78
  6. Step 6: Final answer
    x = 37,055.90

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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.