Home / 57,299.01-79,071.09-31,805.30

Finding the Fourth Proportional to 57,299.01, 79,071.09 and 31,805.30

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Solution

The fourth proportional to 57,299.01, 79,071.09 and 31,805.30 is: 43,890.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,299.01 : 79,071.09 = 31,805.30 : x
  2. Step 2: Convert to fraction form
    57,299.01/79,071.09 = 31,805.30/x
  3. Step 3: Cross multiply
    57,299.01x = 79,071.09 × 31,805.30
  4. Step 4: Simplify right side
    57,299.01x = 2,514,879,343.42
  5. Step 5: Solve for x
    x = 2,514,879,343.42/57,299.01
  6. Step 6: Final answer
    x = 43,890.45

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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.