Home / 53,018.61-79,527.70-13,575.66

Finding the Fourth Proportional to 53,018.61, 79,527.70 and 13,575.66

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Solution

The fourth proportional to 53,018.61, 79,527.70 and 13,575.66 is: 20,363.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,018.61 : 79,527.70 = 13,575.66 : x
  2. Step 2: Convert to fraction form
    53,018.61/79,527.70 = 13,575.66/x
  3. Step 3: Cross multiply
    53,018.61x = 79,527.70 × 13,575.66
  4. Step 4: Simplify right side
    53,018.61x = 1,079,641,015.78
  5. Step 5: Solve for x
    x = 1,079,641,015.78/53,018.61
  6. Step 6: Final answer
    x = 20,363.43

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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.