Home / 30,302.43-45,425.58-15,478.65

Finding the Fourth Proportional to 30,302.43, 45,425.58 and 15,478.65

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Solution

The fourth proportional to 30,302.43, 45,425.58 and 15,478.65 is: 23,203.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,302.43 : 45,425.58 = 15,478.65 : x
  2. Step 2: Convert to fraction form
    30,302.43/45,425.58 = 15,478.65/x
  3. Step 3: Cross multiply
    30,302.43x = 45,425.58 × 15,478.65
  4. Step 4: Simplify right side
    30,302.43x = 703,126,595.82
  5. Step 5: Solve for x
    x = 703,126,595.82/30,302.43
  6. Step 6: Final answer
    x = 23,203.64

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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.