Home / 66,423.84-91,667.04-38,135.04

Finding the Fourth Proportional to 66,423.84, 91,667.04 and 38,135.04

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Solution

The fourth proportional to 66,423.84, 91,667.04 and 38,135.04 is: 52,627.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,423.84 : 91,667.04 = 38,135.04 : x
  2. Step 2: Convert to fraction form
    66,423.84/91,667.04 = 38,135.04/x
  3. Step 3: Cross multiply
    66,423.84x = 91,667.04 × 38,135.04
  4. Step 4: Simplify right side
    66,423.84x = 3,495,726,237.08
  5. Step 5: Solve for x
    x = 3,495,726,237.08/66,423.84
  6. Step 6: Final answer
    x = 52,627.58

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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.