Home / 37,071.12-51,158.16-20,075.36

Finding the Fourth Proportional to 37,071.12, 51,158.16 and 20,075.36

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Solution

The fourth proportional to 37,071.12, 51,158.16 and 20,075.36 is: 27,704.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,071.12 : 51,158.16 = 20,075.36 : x
  2. Step 2: Convert to fraction form
    37,071.12/51,158.16 = 20,075.36/x
  3. Step 3: Cross multiply
    37,071.12x = 51,158.16 × 20,075.36
  4. Step 4: Simplify right side
    37,071.12x = 1,027,018,478.94
  5. Step 5: Solve for x
    x = 1,027,018,478.94/37,071.12
  6. Step 6: Final answer
    x = 27,704.00

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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.