Home / 52,718.52-79,007.58-19,407.81

Finding the Fourth Proportional to 52,718.52, 79,007.58 and 19,407.81

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Solution

The fourth proportional to 52,718.52, 79,007.58 and 19,407.81 is: 29,085.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,718.52 : 79,007.58 = 19,407.81 : x
  2. Step 2: Convert to fraction form
    52,718.52/79,007.58 = 19,407.81/x
  3. Step 3: Cross multiply
    52,718.52x = 79,007.58 × 19,407.81
  4. Step 4: Simplify right side
    52,718.52x = 1,533,364,101.20
  5. Step 5: Solve for x
    x = 1,533,364,101.20/52,718.52
  6. Step 6: Final answer
    x = 29,085.87

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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.