Home / 66,985.81-92,435.32-36,766.33

Finding the Fourth Proportional to 66,985.81, 92,435.32 and 36,766.33

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Solution

The fourth proportional to 66,985.81, 92,435.32 and 36,766.33 is: 50,734.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,985.81 : 92,435.32 = 36,766.33 : x
  2. Step 2: Convert to fraction form
    66,985.81/92,435.32 = 36,766.33/x
  3. Step 3: Cross multiply
    66,985.81x = 92,435.32 × 36,766.33
  4. Step 4: Simplify right side
    66,985.81x = 3,398,507,478.78
  5. Step 5: Solve for x
    x = 3,398,507,478.78/66,985.81
  6. Step 6: Final answer
    x = 50,734.74

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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.