Home / 48,971.09-67,594.12-28,839.65

Finding the Fourth Proportional to 48,971.09, 67,594.12 and 28,839.65

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Solution

The fourth proportional to 48,971.09, 67,594.12 and 28,839.65 is: 39,806.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,971.09 : 67,594.12 = 28,839.65 : x
  2. Step 2: Convert to fraction form
    48,971.09/67,594.12 = 28,839.65/x
  3. Step 3: Cross multiply
    48,971.09x = 67,594.12 × 28,839.65
  4. Step 4: Simplify right side
    48,971.09x = 1,949,390,762.86
  5. Step 5: Solve for x
    x = 1,949,390,762.86/48,971.09
  6. Step 6: Final answer
    x = 39,806.97

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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.