Home / 31,955,641.60-44,086,393.60-20,351,128.32

Finding the Fourth Proportional to 31,955,641.60, 44,086,393.60 and 20,351,128.32

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Solution

The fourth proportional to 31,955,641.60, 44,086,393.60 and 20,351,128.32 is: 28,076,665.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,955,641.60 : 44,086,393.60 = 20,351,128.32 : x
  2. Step 2: Convert to fraction form
    31,955,641.60/44,086,393.60 = 20,351,128.32/x
  3. Step 3: Cross multiply
    31,955,641.60x = 44,086,393.60 × 20,351,128.32
  4. Step 4: Simplify right side
    31,955,641.60x = 897,207,853,319,626.75
  5. Step 5: Solve for x
    x = 897,207,853,319,626.75/31,955,641.60
  6. Step 6: Final answer
    x = 28,076,665.29

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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.