Home / 61,080.32-84,276.06-40,929.84

Finding the Fourth Proportional to 61,080.32, 84,276.06 and 40,929.84

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Solution

The fourth proportional to 61,080.32, 84,276.06 and 40,929.84 is: 56,473.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,080.32 : 84,276.06 = 40,929.84 : x
  2. Step 2: Convert to fraction form
    61,080.32/84,276.06 = 40,929.84/x
  3. Step 3: Cross multiply
    61,080.32x = 84,276.06 × 40,929.84
  4. Step 4: Simplify right side
    61,080.32x = 3,449,405,651.63
  5. Step 5: Solve for x
    x = 3,449,405,651.63/61,080.32
  6. Step 6: Final answer
    x = 56,473.28

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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.