Home / 37,387.68-56,075.78-13,689.65

Finding the Fourth Proportional to 37,387.68, 56,075.78 and 13,689.65

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Solution

The fourth proportional to 37,387.68, 56,075.78 and 13,689.65 is: 20,532.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,387.68 : 56,075.78 = 13,689.65 : x
  2. Step 2: Convert to fraction form
    37,387.68/56,075.78 = 13,689.65/x
  3. Step 3: Cross multiply
    37,387.68x = 56,075.78 × 13,689.65
  4. Step 4: Simplify right side
    37,387.68x = 767,657,452.85
  5. Step 5: Solve for x
    x = 767,657,452.85/37,387.68
  6. Step 6: Final answer
    x = 20,532.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.