Home / 36,140.51-54,210.45-28,249.66

Finding the Fourth Proportional to 36,140.51, 54,210.45 and 28,249.66

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Solution

The fourth proportional to 36,140.51, 54,210.45 and 28,249.66 is: 42,374.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,140.51 : 54,210.45 = 28,249.66 : x
  2. Step 2: Convert to fraction form
    36,140.51/54,210.45 = 28,249.66/x
  3. Step 3: Cross multiply
    36,140.51x = 54,210.45 × 28,249.66
  4. Step 4: Simplify right side
    36,140.51x = 1,531,426,639.70
  5. Step 5: Solve for x
    x = 1,531,426,639.70/36,140.51
  6. Step 6: Final answer
    x = 42,374.24

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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.