Home / 47,728.48-65,865.29-26,509.72

Finding the Fourth Proportional to 47,728.48, 65,865.29 and 26,509.72

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Solution

The fourth proportional to 47,728.48, 65,865.29 and 26,509.72 is: 36,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,728.48 : 65,865.29 = 26,509.72 : x
  2. Step 2: Convert to fraction form
    47,728.48/65,865.29 = 26,509.72/x
  3. Step 3: Cross multiply
    47,728.48x = 65,865.29 × 26,509.72
  4. Step 4: Simplify right side
    47,728.48x = 1,746,069,933.74
  5. Step 5: Solve for x
    x = 1,746,069,933.74/47,728.48
  6. Step 6: Final answer
    x = 36,583.40

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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.