Home / 47,837.82-72,075.90-43,340.49

Finding the Fourth Proportional to 47,837.82, 72,075.90 and 43,340.49

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Solution

The fourth proportional to 47,837.82, 72,075.90 and 43,340.49 is: 65,299.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,837.82 : 72,075.90 = 43,340.49 : x
  2. Step 2: Convert to fraction form
    47,837.82/72,075.90 = 43,340.49/x
  3. Step 3: Cross multiply
    47,837.82x = 72,075.90 × 43,340.49
  4. Step 4: Simplify right side
    47,837.82x = 3,123,804,823.19
  5. Step 5: Solve for x
    x = 3,123,804,823.19/47,837.82
  6. Step 6: Final answer
    x = 65,299.90

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.