Home / 39,225.20-58,840.29-12,930.17

Finding the Fourth Proportional to 39,225.20, 58,840.29 and 12,930.17

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Solution

The fourth proportional to 39,225.20, 58,840.29 and 12,930.17 is: 19,396.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,225.20 : 58,840.29 = 12,930.17 : x
  2. Step 2: Convert to fraction form
    39,225.20/58,840.29 = 12,930.17/x
  3. Step 3: Cross multiply
    39,225.20x = 58,840.29 × 12,930.17
  4. Step 4: Simplify right side
    39,225.20x = 760,814,658.35
  5. Step 5: Solve for x
    x = 760,814,658.35/39,225.20
  6. Step 6: Final answer
    x = 19,396.07

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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.