Home / 51,084.22-70,499.39-28,428.26

Finding the Fourth Proportional to 51,084.22, 70,499.39 and 28,428.26

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Solution

The fourth proportional to 51,084.22, 70,499.39 and 28,428.26 is: 39,232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,084.22 : 70,499.39 = 28,428.26 : x
  2. Step 2: Convert to fraction form
    51,084.22/70,499.39 = 28,428.26/x
  3. Step 3: Cross multiply
    51,084.22x = 70,499.39 × 28,428.26
  4. Step 4: Simplify right side
    51,084.22x = 2,004,174,988.76
  5. Step 5: Solve for x
    x = 2,004,174,988.76/51,084.22
  6. Step 6: Final answer
    x = 39,232.76

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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.