Home / 30,066.47-45,116.22-15,276.65

Finding the Fourth Proportional to 30,066.47, 45,116.22 and 15,276.65

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Solution

The fourth proportional to 30,066.47, 45,116.22 and 15,276.65 is: 22,923.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,066.47 : 45,116.22 = 15,276.65 : x
  2. Step 2: Convert to fraction form
    30,066.47/45,116.22 = 15,276.65/x
  3. Step 3: Cross multiply
    30,066.47x = 45,116.22 × 15,276.65
  4. Step 4: Simplify right side
    30,066.47x = 689,224,658.85
  5. Step 5: Solve for x
    x = 689,224,658.85/30,066.47
  6. Step 6: Final answer
    x = 22,923.37

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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.