Home / 52,145.36-71,960.36-28,271.96

Finding the Fourth Proportional to 52,145.36, 71,960.36 and 28,271.96

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Solution

The fourth proportional to 52,145.36, 71,960.36 and 28,271.96 is: 39,015.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,145.36 : 71,960.36 = 28,271.96 : x
  2. Step 2: Convert to fraction form
    52,145.36/71,960.36 = 28,271.96/x
  3. Step 3: Cross multiply
    52,145.36x = 71,960.36 × 28,271.96
  4. Step 4: Simplify right side
    52,145.36x = 2,034,460,419.51
  5. Step 5: Solve for x
    x = 2,034,460,419.51/52,145.36
  6. Step 6: Final answer
    x = 39,015.18

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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.