Home / 47,587.62-71,384.80-19,124.60

Finding the Fourth Proportional to 47,587.62, 71,384.80 and 19,124.60

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Solution

The fourth proportional to 47,587.62, 71,384.80 and 19,124.60 is: 28,688.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,587.62 : 71,384.80 = 19,124.60 : x
  2. Step 2: Convert to fraction form
    47,587.62/71,384.80 = 19,124.60/x
  3. Step 3: Cross multiply
    47,587.62x = 71,384.80 × 19,124.60
  4. Step 4: Simplify right side
    47,587.62x = 1,365,205,746.08
  5. Step 5: Solve for x
    x = 1,365,205,746.08/47,587.62
  6. Step 6: Final answer
    x = 28,688.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.