Home / 47,381.88-65,357.51-28,248.36

Finding the Fourth Proportional to 47,381.88, 65,357.51 and 28,248.36

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Solution

The fourth proportional to 47,381.88, 65,357.51 and 28,248.36 is: 38,965.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,381.88 : 65,357.51 = 28,248.36 : x
  2. Step 2: Convert to fraction form
    47,381.88/65,357.51 = 28,248.36/x
  3. Step 3: Cross multiply
    47,381.88x = 65,357.51 × 28,248.36
  4. Step 4: Simplify right side
    47,381.88x = 1,846,242,471.18
  5. Step 5: Solve for x
    x = 1,846,242,471.18/47,381.88
  6. Step 6: Final answer
    x = 38,965.16

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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.