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Finding the Fourth Proportional to 61,969.02, 85,518.51 and 33,676.53

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Solution

The fourth proportional to 61,969.02, 85,518.51 and 33,676.53 is: 46,474.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,969.02 : 85,518.51 = 33,676.53 : x
  2. Step 2: Convert to fraction form
    61,969.02/85,518.51 = 33,676.53/x
  3. Step 3: Cross multiply
    61,969.02x = 85,518.51 × 33,676.53
  4. Step 4: Simplify right side
    61,969.02x = 2,879,966,667.57
  5. Step 5: Solve for x
    x = 2,879,966,667.57/61,969.02
  6. Step 6: Final answer
    x = 46,474.30

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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.