Home / 37,075.68-51,165.18-20,308.68

Finding the Fourth Proportional to 37,075.68, 51,165.18 and 20,308.68

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Solution

The fourth proportional to 37,075.68, 51,165.18 and 20,308.68 is: 28,026.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,075.68 : 51,165.18 = 20,308.68 : x
  2. Step 2: Convert to fraction form
    37,075.68/51,165.18 = 20,308.68/x
  3. Step 3: Cross multiply
    37,075.68x = 51,165.18 × 20,308.68
  4. Step 4: Simplify right side
    37,075.68x = 1,039,097,267.76
  5. Step 5: Solve for x
    x = 1,039,097,267.76/37,075.68
  6. Step 6: Final answer
    x = 28,026.38

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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.