Home / 51,639.36-77,451-14,202.24

Finding the Fourth Proportional to 51,639.36, 77,451 and 14,202.24

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Solution

The fourth proportional to 51,639.36, 77,451 and 14,202.24 is: 21,301.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,639.36 : 77,451 = 14,202.24 : x
  2. Step 2: Convert to fraction form
    51,639.36/77,451 = 14,202.24/x
  3. Step 3: Cross multiply
    51,639.36x = 77,451 × 14,202.24
  4. Step 4: Simplify right side
    51,639.36x = 1,099,977,690.24
  5. Step 5: Solve for x
    x = 1,099,977,690.24/51,639.36
  6. Step 6: Final answer
    x = 21,301.15

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1.5x scale

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.