Home / 30,409.27-45,611.65-10,688.02

Finding the Fourth Proportional to 30,409.27, 45,611.65 and 10,688.02

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Solution

The fourth proportional to 30,409.27, 45,611.65 and 10,688.02 is: 16,031.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,409.27 : 45,611.65 = 10,688.02 : x
  2. Step 2: Convert to fraction form
    30,409.27/45,611.65 = 10,688.02/x
  3. Step 3: Cross multiply
    30,409.27x = 45,611.65 × 10,688.02
  4. Step 4: Simplify right side
    30,409.27x = 487,498,227.43
  5. Step 5: Solve for x
    x = 487,498,227.43/30,409.27
  6. Step 6: Final answer
    x = 16,031.24

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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.