Home / 30,051.52-41,470.32-16,622.40

Finding the Fourth Proportional to 30,051.52, 41,470.32 and 16,622.40

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Solution

The fourth proportional to 30,051.52, 41,470.32 and 16,622.40 is: 22,938.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,051.52 : 41,470.32 = 16,622.40 : x
  2. Step 2: Convert to fraction form
    30,051.52/41,470.32 = 16,622.40/x
  3. Step 3: Cross multiply
    30,051.52x = 41,470.32 × 16,622.40
  4. Step 4: Simplify right side
    30,051.52x = 689,336,247.17
  5. Step 5: Solve for x
    x = 689,336,247.17/30,051.52
  6. Step 6: Final answer
    x = 22,938.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.