Home / 66,971.55-92,421.70-36,756.32

Finding the Fourth Proportional to 66,971.55, 92,421.70 and 36,756.32

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Solution

The fourth proportional to 66,971.55, 92,421.70 and 36,756.32 is: 50,724.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,971.55 : 92,421.70 = 36,756.32 : x
  2. Step 2: Convert to fraction form
    66,971.55/92,421.70 = 36,756.32/x
  3. Step 3: Cross multiply
    66,971.55x = 92,421.70 × 36,756.32
  4. Step 4: Simplify right side
    66,971.55x = 3,397,081,719.31
  5. Step 5: Solve for x
    x = 3,397,081,719.31/66,971.55
  6. Step 6: Final answer
    x = 50,724.25

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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.