Home / 37,505.90-51,758.28-20,509.88

Finding the Fourth Proportional to 37,505.90, 51,758.28 and 20,509.88

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Solution

The fourth proportional to 37,505.90, 51,758.28 and 20,509.88 is: 28,303.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,505.90 : 51,758.28 = 20,509.88 : x
  2. Step 2: Convert to fraction form
    37,505.90/51,758.28 = 20,509.88/x
  3. Step 3: Cross multiply
    37,505.90x = 51,758.28 × 20,509.88
  4. Step 4: Simplify right side
    37,505.90x = 1,061,556,111.81
  5. Step 5: Solve for x
    x = 1,061,556,111.81/37,505.90
  6. Step 6: Final answer
    x = 28,303.71

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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.