Home / 42,917.04-64,378.80-14,835.96

Finding the Fourth Proportional to 42,917.04, 64,378.80 and 14,835.96

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Solution

The fourth proportional to 42,917.04, 64,378.80 and 14,835.96 is: 22,255.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,917.04 : 64,378.80 = 14,835.96 : x
  2. Step 2: Convert to fraction form
    42,917.04/64,378.80 = 14,835.96/x
  3. Step 3: Cross multiply
    42,917.04x = 64,378.80 × 14,835.96
  4. Step 4: Simplify right side
    42,917.04x = 955,121,301.65
  5. Step 5: Solve for x
    x = 955,121,301.65/42,917.04
  6. Step 6: Final answer
    x = 22,255.06

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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.