Home / 30,016.76-41,419.60-16,587.21

Finding the Fourth Proportional to 30,016.76, 41,419.60 and 16,587.21

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Solution

The fourth proportional to 30,016.76, 41,419.60 and 16,587.21 is: 22,888.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,016.76 : 41,419.60 = 16,587.21 : x
  2. Step 2: Convert to fraction form
    30,016.76/41,419.60 = 16,587.21/x
  3. Step 3: Cross multiply
    30,016.76x = 41,419.60 × 16,587.21
  4. Step 4: Simplify right side
    30,016.76x = 687,035,510.07
  5. Step 5: Solve for x
    x = 687,035,510.07/30,016.76
  6. Step 6: Final answer
    x = 22,888.40

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Double scale
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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.