Home / 47,351.08-71,043.18-21,053.32

Finding the Fourth Proportional to 47,351.08, 71,043.18 and 21,053.32

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Solution

The fourth proportional to 47,351.08, 71,043.18 and 21,053.32 is: 31,587.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,351.08 : 71,043.18 = 21,053.32 : x
  2. Step 2: Convert to fraction form
    47,351.08/71,043.18 = 21,053.32/x
  3. Step 3: Cross multiply
    47,351.08x = 71,043.18 × 21,053.32
  4. Step 4: Simplify right side
    47,351.08x = 1,495,694,802.36
  5. Step 5: Solve for x
    x = 1,495,694,802.36/47,351.08
  6. Step 6: Final answer
    x = 31,587.34

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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.