Home / 43,009.20-64,590.60-31,335.60

Finding the Fourth Proportional to 43,009.20, 64,590.60 and 31,335.60

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Solution

The fourth proportional to 43,009.20, 64,590.60 and 31,335.60 is: 47,059.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,009.20 : 64,590.60 = 31,335.60 : x
  2. Step 2: Convert to fraction form
    43,009.20/64,590.60 = 31,335.60/x
  3. Step 3: Cross multiply
    43,009.20x = 64,590.60 × 31,335.60
  4. Step 4: Simplify right side
    43,009.20x = 2,023,985,205.36
  5. Step 5: Solve for x
    x = 2,023,985,205.36/43,009.20
  6. Step 6: Final answer
    x = 47,059.35

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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.