Home / 47,189.64-70,809.05-19,130.43

Finding the Fourth Proportional to 47,189.64, 70,809.05 and 19,130.43

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Solution

The fourth proportional to 47,189.64, 70,809.05 and 19,130.43 is: 28,705.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,189.64 : 70,809.05 = 19,130.43 : x
  2. Step 2: Convert to fraction form
    47,189.64/70,809.05 = 19,130.43/x
  3. Step 3: Cross multiply
    47,189.64x = 70,809.05 × 19,130.43
  4. Step 4: Simplify right side
    47,189.64x = 1,354,607,622.22
  5. Step 5: Solve for x
    x = 1,354,607,622.22/47,189.64
  6. Step 6: Final answer
    x = 28,705.61

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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.