Home / 30,276.19-45,421.58-9,499.69

Finding the Fourth Proportional to 30,276.19, 45,421.58 and 9,499.69

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Solution

The fourth proportional to 30,276.19, 45,421.58 and 9,499.69 is: 14,251.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276.19 : 45,421.58 = 9,499.69 : x
  2. Step 2: Convert to fraction form
    30,276.19/45,421.58 = 9,499.69/x
  3. Step 3: Cross multiply
    30,276.19x = 45,421.58 × 9,499.69
  4. Step 4: Simplify right side
    30,276.19x = 431,490,768.26
  5. Step 5: Solve for x
    x = 431,490,768.26/30,276.19
  6. Step 6: Final answer
    x = 14,251.82

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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.