Home / 51,464.36-71,015.08-28,800.21

Finding the Fourth Proportional to 51,464.36, 71,015.08 and 28,800.21

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Solution

The fourth proportional to 51,464.36, 71,015.08 and 28,800.21 is: 39,741.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,464.36 : 71,015.08 = 28,800.21 : x
  2. Step 2: Convert to fraction form
    51,464.36/71,015.08 = 28,800.21/x
  3. Step 3: Cross multiply
    51,464.36x = 71,015.08 × 28,800.21
  4. Step 4: Simplify right side
    51,464.36x = 2,045,249,066.01
  5. Step 5: Solve for x
    x = 2,045,249,066.01/51,464.36
  6. Step 6: Final answer
    x = 39,741.07

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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.