Home / 59,612.88-89,431.02-20,181.36

Finding the Fourth Proportional to 59,612.88, 89,431.02 and 20,181.36

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Solution

The fourth proportional to 59,612.88, 89,431.02 and 20,181.36 is: 30,276.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,612.88 : 89,431.02 = 20,181.36 : x
  2. Step 2: Convert to fraction form
    59,612.88/89,431.02 = 20,181.36/x
  3. Step 3: Cross multiply
    59,612.88x = 89,431.02 × 20,181.36
  4. Step 4: Simplify right side
    59,612.88x = 1,804,839,609.79
  5. Step 5: Solve for x
    x = 1,804,839,609.79/59,612.88
  6. Step 6: Final answer
    x = 30,276.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.