Home / 49,109.60-73,661.16-21,029.60

Finding the Fourth Proportional to 49,109.60, 73,661.16 and 21,029.60

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Solution

The fourth proportional to 49,109.60, 73,661.16 and 21,029.60 is: 31,543.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,109.60 : 73,661.16 = 21,029.60 : x
  2. Step 2: Convert to fraction form
    49,109.60/73,661.16 = 21,029.60/x
  3. Step 3: Cross multiply
    49,109.60x = 73,661.16 × 21,029.60
  4. Step 4: Simplify right side
    49,109.60x = 1,549,064,730.34
  5. Step 5: Solve for x
    x = 1,549,064,730.34/49,109.60
  6. Step 6: Final answer
    x = 31,543.01

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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.