Home / 34,714.40-47,905.28-18,798.72

Finding the Fourth Proportional to 34,714.40, 47,905.28 and 18,798.72

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Solution

The fourth proportional to 34,714.40, 47,905.28 and 18,798.72 is: 25,941.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,714.40 : 47,905.28 = 18,798.72 : x
  2. Step 2: Convert to fraction form
    34,714.40/47,905.28 = 18,798.72/x
  3. Step 3: Cross multiply
    34,714.40x = 47,905.28 × 18,798.72
  4. Step 4: Simplify right side
    34,714.40x = 900,557,945.24
  5. Step 5: Solve for x
    x = 900,557,945.24/34,714.40
  6. Step 6: Final answer
    x = 25,941.91

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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.