Home / 47,680.21-65,752.96-28,556.92

Finding the Fourth Proportional to 47,680.21, 65,752.96 and 28,556.92

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Solution

The fourth proportional to 47,680.21, 65,752.96 and 28,556.92 is: 39,381.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,680.21 : 65,752.96 = 28,556.92 : x
  2. Step 2: Convert to fraction form
    47,680.21/65,752.96 = 28,556.92/x
  3. Step 3: Cross multiply
    47,680.21x = 65,752.96 × 28,556.92
  4. Step 4: Simplify right side
    47,680.21x = 1,877,702,018.48
  5. Step 5: Solve for x
    x = 1,877,702,018.48/47,680.21
  6. Step 6: Final answer
    x = 39,381.16

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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.