Home / 47,235.33-70,831.80-13,943.70

Finding the Fourth Proportional to 47,235.33, 70,831.80 and 13,943.70

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Solution

The fourth proportional to 47,235.33, 70,831.80 and 13,943.70 is: 20,909.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,235.33 : 70,831.80 = 13,943.70 : x
  2. Step 2: Convert to fraction form
    47,235.33/70,831.80 = 13,943.70/x
  3. Step 3: Cross multiply
    47,235.33x = 70,831.80 × 13,943.70
  4. Step 4: Simplify right side
    47,235.33x = 987,657,369.66
  5. Step 5: Solve for x
    x = 987,657,369.66/47,235.33
  6. Step 6: Final answer
    x = 20,909.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.