Home / 62,115.05-85,719.77-33,820.74

Finding the Fourth Proportional to 62,115.05, 85,719.77 and 33,820.74

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Solution

The fourth proportional to 62,115.05, 85,719.77 and 33,820.74 is: 46,673.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,115.05 : 85,719.77 = 33,820.74 : x
  2. Step 2: Convert to fraction form
    62,115.05/85,719.77 = 33,820.74/x
  3. Step 3: Cross multiply
    62,115.05x = 85,719.77 × 33,820.74
  4. Step 4: Simplify right side
    62,115.05x = 2,899,106,011.75
  5. Step 5: Solve for x
    x = 2,899,106,011.75/62,115.05
  6. Step 6: Final answer
    x = 46,673.16

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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.