Home / 30,225.29-45,345.62-17,755.86

Finding the Fourth Proportional to 30,225.29, 45,345.62 and 17,755.86

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Solution

The fourth proportional to 30,225.29, 45,345.62 and 17,755.86 is: 26,638.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,225.29 : 45,345.62 = 17,755.86 : x
  2. Step 2: Convert to fraction form
    30,225.29/45,345.62 = 17,755.86/x
  3. Step 3: Cross multiply
    30,225.29x = 45,345.62 × 17,755.86
  4. Step 4: Simplify right side
    30,225.29x = 805,150,391.55
  5. Step 5: Solve for x
    x = 805,150,391.55/30,225.29
  6. Step 6: Final answer
    x = 26,638.31

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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.