Home / 45,298.92-67,945.98-14,130.60

Finding the Fourth Proportional to 45,298.92, 67,945.98 and 14,130.60

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Solution

The fourth proportional to 45,298.92, 67,945.98 and 14,130.60 is: 21,195.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,298.92 : 67,945.98 = 14,130.60 : x
  2. Step 2: Convert to fraction form
    45,298.92/67,945.98 = 14,130.60/x
  3. Step 3: Cross multiply
    45,298.92x = 67,945.98 × 14,130.60
  4. Step 4: Simplify right side
    45,298.92x = 960,117,464.99
  5. Step 5: Solve for x
    x = 960,117,464.99/45,298.92
  6. Step 6: Final answer
    x = 21,195.15

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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.