Home / 53,115.48-79,722.36-26,838.63

Finding the Fourth Proportional to 53,115.48, 79,722.36 and 26,838.63

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Solution

The fourth proportional to 53,115.48, 79,722.36 and 26,838.63 is: 40,282.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,115.48 : 79,722.36 = 26,838.63 : x
  2. Step 2: Convert to fraction form
    53,115.48/79,722.36 = 26,838.63/x
  3. Step 3: Cross multiply
    53,115.48x = 79,722.36 × 26,838.63
  4. Step 4: Simplify right side
    53,115.48x = 2,139,638,922.77
  5. Step 5: Solve for x
    x = 2,139,638,922.77/53,115.48
  6. Step 6: Final answer
    x = 40,282.77

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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.