Home / 30,016.40-41,423-16,587.52

Finding the Fourth Proportional to 30,016.40, 41,423 and 16,587.52

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Solution

The fourth proportional to 30,016.40, 41,423 and 16,587.52 is: 22,890.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,016.40 : 41,423 = 16,587.52 : x
  2. Step 2: Convert to fraction form
    30,016.40/41,423 = 16,587.52/x
  3. Step 3: Cross multiply
    30,016.40x = 41,423 × 16,587.52
  4. Step 4: Simplify right side
    30,016.40x = 687,104,840.96
  5. Step 5: Solve for x
    x = 687,104,840.96/30,016.40
  6. Step 6: Final answer
    x = 22,890.98

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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.