Home / 39,287.99-58,937.51-12,625.05

Finding the Fourth Proportional to 39,287.99, 58,937.51 and 12,625.05

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Solution

The fourth proportional to 39,287.99, 58,937.51 and 12,625.05 is: 18,939.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,287.99 : 58,937.51 = 12,625.05 : x
  2. Step 2: Convert to fraction form
    39,287.99/58,937.51 = 12,625.05/x
  3. Step 3: Cross multiply
    39,287.99x = 58,937.51 × 12,625.05
  4. Step 4: Simplify right side
    39,287.99x = 744,088,860.66
  5. Step 5: Solve for x
    x = 744,088,860.66/39,287.99
  6. Step 6: Final answer
    x = 18,939.35

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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.