Home / 37,521.57-51,779.87-20,754.57

Finding the Fourth Proportional to 37,521.57, 51,779.87 and 20,754.57

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Solution

The fourth proportional to 37,521.57, 51,779.87 and 20,754.57 is: 28,641.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,521.57 : 51,779.87 = 20,754.57 : x
  2. Step 2: Convert to fraction form
    37,521.57/51,779.87 = 20,754.57/x
  3. Step 3: Cross multiply
    37,521.57x = 51,779.87 × 20,754.57
  4. Step 4: Simplify right side
    37,521.57x = 1,074,668,936.51
  5. Step 5: Solve for x
    x = 1,074,668,936.51/37,521.57
  6. Step 6: Final answer
    x = 28,641.36

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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.