Home / 36,070.61-49,776.48-20,155.19

Finding the Fourth Proportional to 36,070.61, 49,776.48 and 20,155.19

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Solution

The fourth proportional to 36,070.61, 49,776.48 and 20,155.19 is: 27,813.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,070.61 : 49,776.48 = 20,155.19 : x
  2. Step 2: Convert to fraction form
    36,070.61/49,776.48 = 20,155.19/x
  3. Step 3: Cross multiply
    36,070.61x = 49,776.48 × 20,155.19
  4. Step 4: Simplify right side
    36,070.61x = 1,003,254,163.05
  5. Step 5: Solve for x
    x = 1,003,254,163.05/36,070.61
  6. Step 6: Final answer
    x = 27,813.62

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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.