Home / 35,726.90-49,291.74-20,617.56

Finding the Fourth Proportional to 35,726.90, 49,291.74 and 20,617.56

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Solution

The fourth proportional to 35,726.90, 49,291.74 and 20,617.56 is: 28,445.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,726.90 : 49,291.74 = 20,617.56 : x
  2. Step 2: Convert to fraction form
    35,726.90/49,291.74 = 20,617.56/x
  3. Step 3: Cross multiply
    35,726.90x = 49,291.74 × 20,617.56
  4. Step 4: Simplify right side
    35,726.90x = 1,016,275,406.95
  5. Step 5: Solve for x
    x = 1,016,275,406.95/35,726.90
  6. Step 6: Final answer
    x = 28,445.67

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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.