Home / 40,913.98-61,371.02-12,836.18

Finding the Fourth Proportional to 40,913.98, 61,371.02 and 12,836.18

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Solution

The fourth proportional to 40,913.98, 61,371.02 and 12,836.18 is: 19,254.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,913.98 : 61,371.02 = 12,836.18 : x
  2. Step 2: Convert to fraction form
    40,913.98/61,371.02 = 12,836.18/x
  3. Step 3: Cross multiply
    40,913.98x = 61,371.02 × 12,836.18
  4. Step 4: Simplify right side
    40,913.98x = 787,769,645.02
  5. Step 5: Solve for x
    x = 787,769,645.02/40,913.98
  6. Step 6: Final answer
    x = 19,254.29

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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.