Home / 37,073.80-51,156.18-21,159.40

Finding the Fourth Proportional to 37,073.80, 51,156.18 and 21,159.40

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Solution

The fourth proportional to 37,073.80, 51,156.18 and 21,159.40 is: 29,196.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,073.80 : 51,156.18 = 21,159.40 : x
  2. Step 2: Convert to fraction form
    37,073.80/51,156.18 = 21,159.40/x
  3. Step 3: Cross multiply
    37,073.80x = 51,156.18 × 21,159.40
  4. Step 4: Simplify right side
    37,073.80x = 1,082,434,075.09
  5. Step 5: Solve for x
    x = 1,082,434,075.09/37,073.80
  6. Step 6: Final answer
    x = 29,196.74

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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.