Home / 31,657,047.85-43,652,034.30-20,623,336.24

Finding the Fourth Proportional to 31,657,047.85, 43,652,034.30 and 20,623,336.24

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Solution

The fourth proportional to 31,657,047.85, 43,652,034.30 and 20,623,336.24 is: 28,437,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,657,047.85 : 43,652,034.30 = 20,623,336.24 : x
  2. Step 2: Convert to fraction form
    31,657,047.85/43,652,034.30 = 20,623,336.24/x
  3. Step 3: Cross multiply
    31,657,047.85x = 43,652,034.30 × 20,623,336.24
  4. Step 4: Simplify right side
    31,657,047.85x = 900,250,580,978,965.62
  5. Step 5: Solve for x
    x = 900,250,580,978,965.62/31,657,047.85
  6. Step 6: Final answer
    x = 28,437,603.70

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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.