Home / 66,844.94-92,246.02-39,988.58

Finding the Fourth Proportional to 66,844.94, 92,246.02 and 39,988.58

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Solution

The fourth proportional to 66,844.94, 92,246.02 and 39,988.58 is: 55,184.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,844.94 : 92,246.02 = 39,988.58 : x
  2. Step 2: Convert to fraction form
    66,844.94/92,246.02 = 39,988.58/x
  3. Step 3: Cross multiply
    66,844.94x = 92,246.02 × 39,988.58
  4. Step 4: Simplify right side
    66,844.94x = 3,688,787,350.45
  5. Step 5: Solve for x
    x = 3,688,787,350.45/66,844.94
  6. Step 6: Final answer
    x = 55,184.24

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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.