Home / 51,441.26-71,013.21-38,699.31

Finding the Fourth Proportional to 51,441.26, 71,013.21 and 38,699.31

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Solution

The fourth proportional to 51,441.26, 71,013.21 and 38,699.31 is: 53,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,441.26 : 71,013.21 = 38,699.31 : x
  2. Step 2: Convert to fraction form
    51,441.26/71,013.21 = 38,699.31/x
  3. Step 3: Cross multiply
    51,441.26x = 71,013.21 × 38,699.31
  4. Step 4: Simplify right side
    51,441.26x = 2,748,161,679.32
  5. Step 5: Solve for x
    x = 2,748,161,679.32/51,441.26
  6. Step 6: Final answer
    x = 53,423.30

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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.