Home / 30,031.74-41,443.53-16,603.95

Finding the Fourth Proportional to 30,031.74, 41,443.53 and 16,603.95

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Solution

The fourth proportional to 30,031.74, 41,443.53 and 16,603.95 is: 22,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,031.74 : 41,443.53 = 16,603.95 : x
  2. Step 2: Convert to fraction form
    30,031.74/41,443.53 = 16,603.95/x
  3. Step 3: Cross multiply
    30,031.74x = 41,443.53 × 16,603.95
  4. Step 4: Simplify right side
    30,031.74x = 688,126,299.94
  5. Step 5: Solve for x
    x = 688,126,299.94/30,031.74
  6. Step 6: Final answer
    x = 22,913.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.