Home / 61,715.16-85,166.90-33,420.84

Finding the Fourth Proportional to 61,715.16, 85,166.90 and 33,420.84

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Solution

The fourth proportional to 61,715.16, 85,166.90 and 33,420.84 is: 46,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,715.16 : 85,166.90 = 33,420.84 : x
  2. Step 2: Convert to fraction form
    61,715.16/85,166.90 = 33,420.84/x
  3. Step 3: Cross multiply
    61,715.16x = 85,166.90 × 33,420.84
  4. Step 4: Simplify right side
    61,715.16x = 2,846,349,338.20
  5. Step 5: Solve for x
    x = 2,846,349,338.20/61,715.16
  6. Step 6: Final answer
    x = 46,120.75

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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.