Home / 39,879.74-55,024.40-26,266.34

Finding the Fourth Proportional to 39,879.74, 55,024.40 and 26,266.34

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Solution

The fourth proportional to 39,879.74, 55,024.40 and 26,266.34 is: 36,241.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,879.74 : 55,024.40 = 26,266.34 : x
  2. Step 2: Convert to fraction form
    39,879.74/55,024.40 = 26,266.34/x
  3. Step 3: Cross multiply
    39,879.74x = 55,024.40 × 26,266.34
  4. Step 4: Simplify right side
    39,879.74x = 1,445,289,389.24
  5. Step 5: Solve for x
    x = 1,445,289,389.24/39,879.74
  6. Step 6: Final answer
    x = 36,241.20

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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.