Home / 51,756.40-71,431.38-29,097.26

Finding the Fourth Proportional to 51,756.40, 71,431.38 and 29,097.26

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Solution

The fourth proportional to 51,756.40, 71,431.38 and 29,097.26 is: 40,158.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,756.40 : 71,431.38 = 29,097.26 : x
  2. Step 2: Convert to fraction form
    51,756.40/71,431.38 = 29,097.26/x
  3. Step 3: Cross multiply
    51,756.40x = 71,431.38 × 29,097.26
  4. Step 4: Simplify right side
    51,756.40x = 2,078,457,436.02
  5. Step 5: Solve for x
    x = 2,078,457,436.02/51,756.40
  6. Step 6: Final answer
    x = 40,158.46

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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.