Home / 53,245.78-79,838.72-17,688.08

Finding the Fourth Proportional to 53,245.78, 79,838.72 and 17,688.08

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Solution

The fourth proportional to 53,245.78, 79,838.72 and 17,688.08 is: 26,522.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,245.78 : 79,838.72 = 17,688.08 : x
  2. Step 2: Convert to fraction form
    53,245.78/79,838.72 = 17,688.08/x
  3. Step 3: Cross multiply
    53,245.78x = 79,838.72 × 17,688.08
  4. Step 4: Simplify right side
    53,245.78x = 1,412,193,666.46
  5. Step 5: Solve for x
    x = 1,412,193,666.46/53,245.78
  6. Step 6: Final answer
    x = 26,522.17

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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.