Home / 47,037.60-70,498.80-20,714.40

Finding the Fourth Proportional to 47,037.60, 70,498.80 and 20,714.40

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Solution

The fourth proportional to 47,037.60, 70,498.80 and 20,714.40 is: 31,046.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,037.60 : 70,498.80 = 20,714.40 : x
  2. Step 2: Convert to fraction form
    47,037.60/70,498.80 = 20,714.40/x
  3. Step 3: Cross multiply
    47,037.60x = 70,498.80 × 20,714.40
  4. Step 4: Simplify right side
    47,037.60x = 1,460,340,342.72
  5. Step 5: Solve for x
    x = 1,460,340,342.72/47,037.60
  6. Step 6: Final answer
    x = 31,046.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.