Home / 53,357.13-80,047.24-28,393.51

Finding the Fourth Proportional to 53,357.13, 80,047.24 and 28,393.51

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Solution

The fourth proportional to 53,357.13, 80,047.24 and 28,393.51 is: 42,596.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,357.13 : 80,047.24 = 28,393.51 : x
  2. Step 2: Convert to fraction form
    53,357.13/80,047.24 = 28,393.51/x
  3. Step 3: Cross multiply
    53,357.13x = 80,047.24 × 28,393.51
  4. Step 4: Simplify right side
    53,357.13x = 2,272,822,213.53
  5. Step 5: Solve for x
    x = 2,272,822,213.53/53,357.13
  6. Step 6: Final answer
    x = 42,596.41

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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.