Home / 30,335.88-45,512.79-15,555.16

Finding the Fourth Proportional to 30,335.88, 45,512.79 and 15,555.16

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Solution

The fourth proportional to 30,335.88, 45,512.79 and 15,555.16 is: 23,337.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,335.88 : 45,512.79 = 15,555.16 : x
  2. Step 2: Convert to fraction form
    30,335.88/45,512.79 = 15,555.16/x
  3. Step 3: Cross multiply
    30,335.88x = 45,512.79 × 15,555.16
  4. Step 4: Simplify right side
    30,335.88x = 707,958,730.50
  5. Step 5: Solve for x
    x = 707,958,730.50/30,335.88
  6. Step 6: Final answer
    x = 23,337.34

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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.