Home / 39,110.90-58,670.90-14,162.70

Finding the Fourth Proportional to 39,110.90, 58,670.90 and 14,162.70

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Solution

The fourth proportional to 39,110.90, 58,670.90 and 14,162.70 is: 21,245.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,110.90 : 58,670.90 = 14,162.70 : x
  2. Step 2: Convert to fraction form
    39,110.90/58,670.90 = 14,162.70/x
  3. Step 3: Cross multiply
    39,110.90x = 58,670.90 × 14,162.70
  4. Step 4: Simplify right side
    39,110.90x = 830,938,355.43
  5. Step 5: Solve for x
    x = 830,938,355.43/39,110.90
  6. Step 6: Final answer
    x = 21,245.70

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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.