Home / 66,690.27-92,019.85-38,009.39

Finding the Fourth Proportional to 66,690.27, 92,019.85 and 38,009.39

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Solution

The fourth proportional to 66,690.27, 92,019.85 and 38,009.39 is: 52,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,690.27 : 92,019.85 = 38,009.39 : x
  2. Step 2: Convert to fraction form
    66,690.27/92,019.85 = 38,009.39/x
  3. Step 3: Cross multiply
    66,690.27x = 92,019.85 × 38,009.39
  4. Step 4: Simplify right side
    66,690.27x = 3,497,617,811.27
  5. Step 5: Solve for x
    x = 3,497,617,811.27/66,690.27
  6. Step 6: Final answer
    x = 52,445.70

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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.