Home / 52,183.52-72,011.28-28,309.69

Finding the Fourth Proportional to 52,183.52, 72,011.28 and 28,309.69

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Solution

The fourth proportional to 52,183.52, 72,011.28 and 28,309.69 is: 39,066.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,183.52 : 72,011.28 = 28,309.69 : x
  2. Step 2: Convert to fraction form
    52,183.52/72,011.28 = 28,309.69/x
  3. Step 3: Cross multiply
    52,183.52x = 72,011.28 × 28,309.69
  4. Step 4: Simplify right side
    52,183.52x = 2,038,617,013.30
  5. Step 5: Solve for x
    x = 2,038,617,013.30/52,183.52
  6. Step 6: Final answer
    x = 39,066.30

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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.