Home / 66,339.41-91,548.38-36,124.72

Finding the Fourth Proportional to 66,339.41, 91,548.38 and 36,124.72

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Solution

The fourth proportional to 66,339.41, 91,548.38 and 36,124.72 is: 49,852.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,339.41 : 91,548.38 = 36,124.72 : x
  2. Step 2: Convert to fraction form
    66,339.41/91,548.38 = 36,124.72/x
  3. Step 3: Cross multiply
    66,339.41x = 91,548.38 × 36,124.72
  4. Step 4: Simplify right side
    66,339.41x = 3,307,159,455.39
  5. Step 5: Solve for x
    x = 3,307,159,455.39/66,339.41
  6. Step 6: Final answer
    x = 49,852.11

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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.