Home / 66,731.57-92,085.62-36,510.87

Finding the Fourth Proportional to 66,731.57, 92,085.62 and 36,510.87

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Solution

The fourth proportional to 66,731.57, 92,085.62 and 36,510.87 is: 50,382.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,731.57 : 92,085.62 = 36,510.87 : x
  2. Step 2: Convert to fraction form
    66,731.57/92,085.62 = 36,510.87/x
  3. Step 3: Cross multiply
    66,731.57x = 92,085.62 × 36,510.87
  4. Step 4: Simplify right side
    66,731.57x = 3,362,126,100.69
  5. Step 5: Solve for x
    x = 3,362,126,100.69/66,731.57
  6. Step 6: Final answer
    x = 50,382.84

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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.