Home / 30,089.58-45,175.78-15,308.50

Finding the Fourth Proportional to 30,089.58, 45,175.78 and 15,308.50

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Solution

The fourth proportional to 30,089.58, 45,175.78 and 15,308.50 is: 22,983.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,089.58 : 45,175.78 = 15,308.50 : x
  2. Step 2: Convert to fraction form
    30,089.58/45,175.78 = 15,308.50/x
  3. Step 3: Cross multiply
    30,089.58x = 45,175.78 × 15,308.50
  4. Step 4: Simplify right side
    30,089.58x = 691,573,428.13
  5. Step 5: Solve for x
    x = 691,573,428.13/30,089.58
  6. Step 6: Final answer
    x = 22,983.82

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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.