Home / 53,296.66-79,961.28-31,973.01

Finding the Fourth Proportional to 53,296.66, 79,961.28 and 31,973.01

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Solution

The fourth proportional to 53,296.66, 79,961.28 and 31,973.01 is: 47,969.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,296.66 : 79,961.28 = 31,973.01 : x
  2. Step 2: Convert to fraction form
    53,296.66/79,961.28 = 31,973.01/x
  3. Step 3: Cross multiply
    53,296.66x = 79,961.28 × 31,973.01
  4. Step 4: Simplify right side
    53,296.66x = 2,556,602,805.05
  5. Step 5: Solve for x
    x = 2,556,602,805.05/53,296.66
  6. Step 6: Final answer
    x = 47,969.29

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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.