Home / 47,545.37-65,608.05-28,421.36

Finding the Fourth Proportional to 47,545.37, 65,608.05 and 28,421.36

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Solution

The fourth proportional to 47,545.37, 65,608.05 and 28,421.36 is: 39,218.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,545.37 : 65,608.05 = 28,421.36 : x
  2. Step 2: Convert to fraction form
    47,545.37/65,608.05 = 28,421.36/x
  3. Step 3: Cross multiply
    47,545.37x = 65,608.05 × 28,421.36
  4. Step 4: Simplify right side
    47,545.37x = 1,864,669,679.91
  5. Step 5: Solve for x
    x = 1,864,669,679.91/47,545.37
  6. Step 6: Final answer
    x = 39,218.75

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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.