Home / 66,348.12-91,559.49-37,667.54

Finding the Fourth Proportional to 66,348.12, 91,559.49 and 37,667.54

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Solution

The fourth proportional to 66,348.12, 91,559.49 and 37,667.54 is: 51,980.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,348.12 : 91,559.49 = 37,667.54 : x
  2. Step 2: Convert to fraction form
    66,348.12/91,559.49 = 37,667.54/x
  3. Step 3: Cross multiply
    66,348.12x = 91,559.49 × 37,667.54
  4. Step 4: Simplify right side
    66,348.12x = 3,448,820,294.16
  5. Step 5: Solve for x
    x = 3,448,820,294.16/66,348.12
  6. Step 6: Final answer
    x = 51,980.68

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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.