Home / 53,320.64-79,925.28-21,717.08

Finding the Fourth Proportional to 53,320.64, 79,925.28 and 21,717.08

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Solution

The fourth proportional to 53,320.64, 79,925.28 and 21,717.08 is: 32,552.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,320.64 : 79,925.28 = 21,717.08 : x
  2. Step 2: Convert to fraction form
    53,320.64/79,925.28 = 21,717.08/x
  3. Step 3: Cross multiply
    53,320.64x = 79,925.28 × 21,717.08
  4. Step 4: Simplify right side
    53,320.64x = 1,735,743,699.78
  5. Step 5: Solve for x
    x = 1,735,743,699.78/53,320.64
  6. Step 6: Final answer
    x = 32,552.94

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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.