Home / 66,641.09-91,962.16-36,426.15

Finding the Fourth Proportional to 66,641.09, 91,962.16 and 36,426.15

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Solution

The fourth proportional to 66,641.09, 91,962.16 and 36,426.15 is: 50,266.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,641.09 : 91,962.16 = 36,426.15 : x
  2. Step 2: Convert to fraction form
    66,641.09/91,962.16 = 36,426.15/x
  3. Step 3: Cross multiply
    66,641.09x = 91,962.16 × 36,426.15
  4. Step 4: Simplify right side
    66,641.09x = 3,349,827,343.42
  5. Step 5: Solve for x
    x = 3,349,827,343.42/66,641.09
  6. Step 6: Final answer
    x = 50,266.70

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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.