Home / 30,117.84-41,562.66-16,503.72

Finding the Fourth Proportional to 30,117.84, 41,562.66 and 16,503.72

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Solution

The fourth proportional to 30,117.84, 41,562.66 and 16,503.72 is: 22,775.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,117.84 : 41,562.66 = 16,503.72 : x
  2. Step 2: Convert to fraction form
    30,117.84/41,562.66 = 16,503.72/x
  3. Step 3: Cross multiply
    30,117.84x = 41,562.66 × 16,503.72
  4. Step 4: Simplify right side
    30,117.84x = 685,938,503.10
  5. Step 5: Solve for x
    x = 685,938,503.10/30,117.84
  6. Step 6: Final answer
    x = 22,775.16

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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.