Home / 39,518.66-54,484.98-28,201.34

Finding the Fourth Proportional to 39,518.66, 54,484.98 and 28,201.34

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Solution

The fourth proportional to 39,518.66, 54,484.98 and 28,201.34 is: 38,881.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,518.66 : 54,484.98 = 28,201.34 : x
  2. Step 2: Convert to fraction form
    39,518.66/54,484.98 = 28,201.34/x
  3. Step 3: Cross multiply
    39,518.66x = 54,484.98 × 28,201.34
  4. Step 4: Simplify right side
    39,518.66x = 1,536,549,445.87
  5. Step 5: Solve for x
    x = 1,536,549,445.87/39,518.66
  6. Step 6: Final answer
    x = 38,881.62

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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.