Home / 65,715.30-90,696.51-37,423.62

Finding the Fourth Proportional to 65,715.30, 90,696.51 and 37,423.62

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Solution

The fourth proportional to 65,715.30, 90,696.51 and 37,423.62 is: 51,649.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,715.30 : 90,696.51 = 37,423.62 : x
  2. Step 2: Convert to fraction form
    65,715.30/90,696.51 = 37,423.62/x
  3. Step 3: Cross multiply
    65,715.30x = 90,696.51 × 37,423.62
  4. Step 4: Simplify right side
    65,715.30x = 3,394,191,725.57
  5. Step 5: Solve for x
    x = 3,394,191,725.57/65,715.30
  6. Step 6: Final answer
    x = 51,649.95

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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.