Home / 30,339.34-45,529.51-10,618.07

Finding the Fourth Proportional to 30,339.34, 45,529.51 and 10,618.07

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Solution

The fourth proportional to 30,339.34, 45,529.51 and 10,618.07 is: 15,934.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,339.34 : 45,529.51 = 10,618.07 : x
  2. Step 2: Convert to fraction form
    30,339.34/45,529.51 = 10,618.07/x
  3. Step 3: Cross multiply
    30,339.34x = 45,529.51 × 10,618.07
  4. Step 4: Simplify right side
    30,339.34x = 483,435,524.25
  5. Step 5: Solve for x
    x = 483,435,524.25/30,339.34
  6. Step 6: Final answer
    x = 15,934.28

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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.