Home / 30,130.30-41,575.45-16,701.55

Finding the Fourth Proportional to 30,130.30, 41,575.45 and 16,701.55

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Solution

The fourth proportional to 30,130.30, 41,575.45 and 16,701.55 is: 23,045.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,130.30 : 41,575.45 = 16,701.55 : x
  2. Step 2: Convert to fraction form
    30,130.30/41,575.45 = 16,701.55/x
  3. Step 3: Cross multiply
    30,130.30x = 41,575.45 × 16,701.55
  4. Step 4: Simplify right side
    30,130.30x = 694,374,269.50
  5. Step 5: Solve for x
    x = 694,374,269.50/30,130.30
  6. Step 6: Final answer
    x = 23,045.72

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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.