Home / 61,145.64-84,382.83-34,290.63

Finding the Fourth Proportional to 61,145.64, 84,382.83 and 34,290.63

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Solution

The fourth proportional to 61,145.64, 84,382.83 and 34,290.63 is: 47,322.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,145.64 : 84,382.83 = 34,290.63 : x
  2. Step 2: Convert to fraction form
    61,145.64/84,382.83 = 34,290.63/x
  3. Step 3: Cross multiply
    61,145.64x = 84,382.83 × 34,290.63
  4. Step 4: Simplify right side
    61,145.64x = 2,893,540,401.88
  5. Step 5: Solve for x
    x = 2,893,540,401.88/61,145.64
  6. Step 6: Final answer
    x = 47,322.11

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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.