Home / 35,884.95-49,513.71-20,776.74

Finding the Fourth Proportional to 35,884.95, 49,513.71 and 20,776.74

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Solution

The fourth proportional to 35,884.95, 49,513.71 and 20,776.74 is: 28,667.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,884.95 : 49,513.71 = 20,776.74 : x
  2. Step 2: Convert to fraction form
    35,884.95/49,513.71 = 20,776.74/x
  3. Step 3: Cross multiply
    35,884.95x = 49,513.71 × 20,776.74
  4. Step 4: Simplify right side
    35,884.95x = 1,028,733,479.11
  5. Step 5: Solve for x
    x = 1,028,733,479.11/35,884.95
  6. Step 6: Final answer
    x = 28,667.55

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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.