Home / 52,020.19-71,787.35-28,146.34

Finding the Fourth Proportional to 52,020.19, 71,787.35 and 28,146.34

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Solution

The fourth proportional to 52,020.19, 71,787.35 and 28,146.34 is: 38,841.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,020.19 : 71,787.35 = 28,146.34 : x
  2. Step 2: Convert to fraction form
    52,020.19/71,787.35 = 28,146.34/x
  3. Step 3: Cross multiply
    52,020.19x = 71,787.35 × 28,146.34
  4. Step 4: Simplify right side
    52,020.19x = 2,020,550,661.13
  5. Step 5: Solve for x
    x = 2,020,550,661.13/52,020.19
  6. Step 6: Final answer
    x = 38,841.67

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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.