Home / 47,909.10-66,116.55-26,688.36

Finding the Fourth Proportional to 47,909.10, 66,116.55 and 26,688.36

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Solution

The fourth proportional to 47,909.10, 66,116.55 and 26,688.36 is: 36,831.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,909.10 : 66,116.55 = 26,688.36 : x
  2. Step 2: Convert to fraction form
    47,909.10/66,116.55 = 26,688.36/x
  3. Step 3: Cross multiply
    47,909.10x = 66,116.55 × 26,688.36
  4. Step 4: Simplify right side
    47,909.10x = 1,764,542,288.36
  5. Step 5: Solve for x
    x = 1,764,542,288.36/47,909.10
  6. Step 6: Final answer
    x = 36,831.05

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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.