Home / 47,302.80-70,927.20-17,721.60

Finding the Fourth Proportional to 47,302.80, 70,927.20 and 17,721.60

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Solution

The fourth proportional to 47,302.80, 70,927.20 and 17,721.60 is: 26,572.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,302.80 : 70,927.20 = 17,721.60 : x
  2. Step 2: Convert to fraction form
    47,302.80/70,927.20 = 17,721.60/x
  3. Step 3: Cross multiply
    47,302.80x = 70,927.20 × 17,721.60
  4. Step 4: Simplify right side
    47,302.80x = 1,256,943,467.52
  5. Step 5: Solve for x
    x = 1,256,943,467.52/47,302.80
  6. Step 6: Final answer
    x = 26,572.28

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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.