Home / 39,275.26-58,915.63-12,998.46

Finding the Fourth Proportional to 39,275.26, 58,915.63 and 12,998.46

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Solution

The fourth proportional to 39,275.26, 58,915.63 and 12,998.46 is: 19,498.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,275.26 : 58,915.63 = 12,998.46 : x
  2. Step 2: Convert to fraction form
    39,275.26/58,915.63 = 12,998.46/x
  3. Step 3: Cross multiply
    39,275.26x = 58,915.63 × 12,998.46
  4. Step 4: Simplify right side
    39,275.26x = 765,812,329.15
  5. Step 5: Solve for x
    x = 765,812,329.15/39,275.26
  6. Step 6: Final answer
    x = 19,498.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.