Home / 37,666.08-51,979.52-20,899.36

Finding the Fourth Proportional to 37,666.08, 51,979.52 and 20,899.36

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Solution

The fourth proportional to 37,666.08, 51,979.52 and 20,899.36 is: 28,841.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,666.08 : 51,979.52 = 20,899.36 : x
  2. Step 2: Convert to fraction form
    37,666.08/51,979.52 = 20,899.36/x
  3. Step 3: Cross multiply
    37,666.08x = 51,979.52 × 20,899.36
  4. Step 4: Simplify right side
    37,666.08x = 1,086,338,701.11
  5. Step 5: Solve for x
    x = 1,086,338,701.11/37,666.08
  6. Step 6: Final answer
    x = 28,841.30

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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.