Home / 48,687.15-67,199.47-28,550.51

Finding the Fourth Proportional to 48,687.15, 67,199.47 and 28,550.51

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Solution

The fourth proportional to 48,687.15, 67,199.47 and 28,550.51 is: 39,406.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,687.15 : 67,199.47 = 28,550.51 : x
  2. Step 2: Convert to fraction form
    48,687.15/67,199.47 = 28,550.51/x
  3. Step 3: Cross multiply
    48,687.15x = 67,199.47 × 28,550.51
  4. Step 4: Simplify right side
    48,687.15x = 1,918,579,140.23
  5. Step 5: Solve for x
    x = 1,918,579,140.23/48,687.15
  6. Step 6: Final answer
    x = 39,406.27

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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.