Home / 30,043.30-41,459.51-16,615.12

Finding the Fourth Proportional to 30,043.30, 41,459.51 and 16,615.12

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Solution

The fourth proportional to 30,043.30, 41,459.51 and 16,615.12 is: 22,928.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,043.30 : 41,459.51 = 16,615.12 : x
  2. Step 2: Convert to fraction form
    30,043.30/41,459.51 = 16,615.12/x
  3. Step 3: Cross multiply
    30,043.30x = 41,459.51 × 16,615.12
  4. Step 4: Simplify right side
    30,043.30x = 688,854,443.42
  5. Step 5: Solve for x
    x = 688,854,443.42/30,043.30
  6. Step 6: Final answer
    x = 22,928.72

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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.