Home / 66,344.78-91,548.55-39,483.56

Finding the Fourth Proportional to 66,344.78, 91,548.55 and 39,483.56

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Solution

The fourth proportional to 66,344.78, 91,548.55 and 39,483.56 is: 54,483.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,344.78 : 91,548.55 = 39,483.56 : x
  2. Step 2: Convert to fraction form
    66,344.78/91,548.55 = 39,483.56/x
  3. Step 3: Cross multiply
    66,344.78x = 91,548.55 × 39,483.56
  4. Step 4: Simplify right side
    66,344.78x = 3,614,662,666.84
  5. Step 5: Solve for x
    x = 3,614,662,666.84/66,344.78
  6. Step 6: Final answer
    x = 54,483.00

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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.