Home / 30,089.28-45,045.36-28,806.24

Finding the Fourth Proportional to 30,089.28, 45,045.36 and 28,806.24

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Solution

The fourth proportional to 30,089.28, 45,045.36 and 28,806.24 is: 43,124.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,089.28 : 45,045.36 = 28,806.24 : x
  2. Step 2: Convert to fraction form
    30,089.28/45,045.36 = 28,806.24/x
  3. Step 3: Cross multiply
    30,089.28x = 45,045.36 × 28,806.24
  4. Step 4: Simplify right side
    30,089.28x = 1,297,587,451.05
  5. Step 5: Solve for x
    x = 1,297,587,451.05/30,089.28
  6. Step 6: Final answer
    x = 43,124.58

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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.