Home / 30,331.18-45,465.66-13,702.84

Finding the Fourth Proportional to 30,331.18, 45,465.66 and 13,702.84

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Solution

The fourth proportional to 30,331.18, 45,465.66 and 13,702.84 is: 20,540.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,331.18 : 45,465.66 = 13,702.84 : x
  2. Step 2: Convert to fraction form
    30,331.18/45,465.66 = 13,702.84/x
  3. Step 3: Cross multiply
    30,331.18x = 45,465.66 × 13,702.84
  4. Step 4: Simplify right side
    30,331.18x = 623,008,664.47
  5. Step 5: Solve for x
    x = 623,008,664.47/30,331.18
  6. Step 6: Final answer
    x = 20,540.21

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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.