Home / 47,235.47-65,130.86-35,278.61

Finding the Fourth Proportional to 47,235.47, 65,130.86 and 35,278.61

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Solution

The fourth proportional to 47,235.47, 65,130.86 and 35,278.61 is: 48,644.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,235.47 : 65,130.86 = 35,278.61 : x
  2. Step 2: Convert to fraction form
    47,235.47/65,130.86 = 35,278.61/x
  3. Step 3: Cross multiply
    47,235.47x = 65,130.86 × 35,278.61
  4. Step 4: Simplify right side
    47,235.47x = 2,297,725,971.45
  5. Step 5: Solve for x
    x = 2,297,725,971.45/47,235.47
  6. Step 6: Final answer
    x = 48,644.08

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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.