Home / 66,341.64-91,548.40-36,126.84

Finding the Fourth Proportional to 66,341.64, 91,548.40 and 36,126.84

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Solution

The fourth proportional to 66,341.64, 91,548.40 and 36,126.84 is: 49,853.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,341.64 : 91,548.40 = 36,126.84 : x
  2. Step 2: Convert to fraction form
    66,341.64/91,548.40 = 36,126.84/x
  3. Step 3: Cross multiply
    66,341.64x = 91,548.40 × 36,126.84
  4. Step 4: Simplify right side
    66,341.64x = 3,307,354,399.06
  5. Step 5: Solve for x
    x = 3,307,354,399.06/66,341.64
  6. Step 6: Final answer
    x = 49,853.37

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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.