Home / 30,339.84-45,530.26-10,618.57

Finding the Fourth Proportional to 30,339.84, 45,530.26 and 10,618.57

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Solution

The fourth proportional to 30,339.84, 45,530.26 and 10,618.57 is: 15,935.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,339.84 : 45,530.26 = 10,618.57 : x
  2. Step 2: Convert to fraction form
    30,339.84/45,530.26 = 10,618.57/x
  3. Step 3: Cross multiply
    30,339.84x = 45,530.26 × 10,618.57
  4. Step 4: Simplify right side
    30,339.84x = 483,466,252.93
  5. Step 5: Solve for x
    x = 483,466,252.93/30,339.84
  6. Step 6: Final answer
    x = 15,935.03

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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.