Home / 53,114.87-79,721.52-26,838.07

Finding the Fourth Proportional to 53,114.87, 79,721.52 and 26,838.07

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Solution

The fourth proportional to 53,114.87, 79,721.52 and 26,838.07 is: 40,281.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,114.87 : 79,721.52 = 26,838.07 : x
  2. Step 2: Convert to fraction form
    53,114.87/79,721.52 = 26,838.07/x
  3. Step 3: Cross multiply
    53,114.87x = 79,721.52 × 26,838.07
  4. Step 4: Simplify right side
    53,114.87x = 2,139,571,434.32
  5. Step 5: Solve for x
    x = 2,139,571,434.32/53,114.87
  6. Step 6: Final answer
    x = 40,281.96

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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.