Home / 37,069.36-51,159.38-21,156.20

Finding the Fourth Proportional to 37,069.36, 51,159.38 and 21,156.20

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Solution

The fourth proportional to 37,069.36, 51,159.38 and 21,156.20 is: 29,197.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,069.36 : 51,159.38 = 21,156.20 : x
  2. Step 2: Convert to fraction form
    37,069.36/51,159.38 = 21,156.20/x
  3. Step 3: Cross multiply
    37,069.36x = 51,159.38 × 21,156.20
  4. Step 4: Simplify right side
    37,069.36x = 1,082,338,075.16
  5. Step 5: Solve for x
    x = 1,082,338,075.16/37,069.36
  6. Step 6: Final answer
    x = 29,197.65

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1.5x scale

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.