Home / 30,240.69-45,332.70-10,236.19

Finding the Fourth Proportional to 30,240.69, 45,332.70 and 10,236.19

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Solution

The fourth proportional to 30,240.69, 45,332.70 and 10,236.19 is: 15,344.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240.69 : 45,332.70 = 10,236.19 : x
  2. Step 2: Convert to fraction form
    30,240.69/45,332.70 = 10,236.19/x
  3. Step 3: Cross multiply
    30,240.69x = 45,332.70 × 10,236.19
  4. Step 4: Simplify right side
    30,240.69x = 464,033,948.02
  5. Step 5: Solve for x
    x = 464,033,948.02/30,240.69
  6. Step 6: Final answer
    x = 15,344.69

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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.