Home / 37,071.45-51,158.63-20,075.72

Finding the Fourth Proportional to 37,071.45, 51,158.63 and 20,075.72

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Solution

The fourth proportional to 37,071.45, 51,158.63 and 20,075.72 is: 27,704.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,071.45 : 51,158.63 = 20,075.72 : x
  2. Step 2: Convert to fraction form
    37,071.45/51,158.63 = 20,075.72/x
  3. Step 3: Cross multiply
    37,071.45x = 51,158.63 × 20,075.72
  4. Step 4: Simplify right side
    37,071.45x = 1,027,046,125.86
  5. Step 5: Solve for x
    x = 1,027,046,125.86/37,071.45
  6. Step 6: Final answer
    x = 27,704.50

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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.