Home / 36,642.69-50,561.55-20,509.92

Finding the Fourth Proportional to 36,642.69, 50,561.55 and 20,509.92

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Solution

The fourth proportional to 36,642.69, 50,561.55 and 20,509.92 is: 28,300.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,642.69 : 50,561.55 = 20,509.92 : x
  2. Step 2: Convert to fraction form
    36,642.69/50,561.55 = 20,509.92/x
  3. Step 3: Cross multiply
    36,642.69x = 50,561.55 × 20,509.92
  4. Step 4: Simplify right side
    36,642.69x = 1,037,013,345.58
  5. Step 5: Solve for x
    x = 1,037,013,345.58/36,642.69
  6. Step 6: Final answer
    x = 28,300.69

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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.