Home / 36,385.47-54,603.27-12,693.15

Finding the Fourth Proportional to 36,385.47, 54,603.27 and 12,693.15

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Solution

The fourth proportional to 36,385.47, 54,603.27 and 12,693.15 is: 19,048.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,385.47 : 54,603.27 = 12,693.15 : x
  2. Step 2: Convert to fraction form
    36,385.47/54,603.27 = 12,693.15/x
  3. Step 3: Cross multiply
    36,385.47x = 54,603.27 × 12,693.15
  4. Step 4: Simplify right side
    36,385.47x = 693,087,496.60
  5. Step 5: Solve for x
    x = 693,087,496.60/36,385.47
  6. Step 6: Final answer
    x = 19,048.47

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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.