Home / 45,520.04-68,284.15-12,239.37

Finding the Fourth Proportional to 45,520.04, 68,284.15 and 12,239.37

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Solution

The fourth proportional to 45,520.04, 68,284.15 and 12,239.37 is: 18,360.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,520.04 : 68,284.15 = 12,239.37 : x
  2. Step 2: Convert to fraction form
    45,520.04/68,284.15 = 12,239.37/x
  3. Step 3: Cross multiply
    45,520.04x = 68,284.15 × 12,239.37
  4. Step 4: Simplify right side
    45,520.04x = 835,754,946.39
  5. Step 5: Solve for x
    x = 835,754,946.39/45,520.04
  6. Step 6: Final answer
    x = 18,360.15

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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.