Home / 37,075.86-51,156.90-21,159.90

Finding the Fourth Proportional to 37,075.86, 51,156.90 and 21,159.90

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Solution

The fourth proportional to 37,075.86, 51,156.90 and 21,159.90 is: 29,196.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,075.86 : 51,156.90 = 21,159.90 : x
  2. Step 2: Convert to fraction form
    37,075.86/51,156.90 = 21,159.90/x
  3. Step 3: Cross multiply
    37,075.86x = 51,156.90 × 21,159.90
  4. Step 4: Simplify right side
    37,075.86x = 1,082,474,888.31
  5. Step 5: Solve for x
    x = 1,082,474,888.31/37,075.86
  6. Step 6: Final answer
    x = 29,196.22

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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.