Home / 30,276.62-45,421.01-10,549.88

Finding the Fourth Proportional to 30,276.62, 45,421.01 and 10,549.88

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Solution

The fourth proportional to 30,276.62, 45,421.01 and 10,549.88 is: 15,826.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276.62 : 45,421.01 = 10,549.88 : x
  2. Step 2: Convert to fraction form
    30,276.62/45,421.01 = 10,549.88/x
  3. Step 3: Cross multiply
    30,276.62x = 45,421.01 × 10,549.88
  4. Step 4: Simplify right side
    30,276.62x = 479,185,925.12
  5. Step 5: Solve for x
    x = 479,185,925.12/30,276.62
  6. Step 6: Final answer
    x = 15,826.93

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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.