Home / 53,306.64-79,946-15,856.64

Finding the Fourth Proportional to 53,306.64, 79,946 and 15,856.64

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Solution

The fourth proportional to 53,306.64, 79,946 and 15,856.64 is: 23,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,306.64 : 79,946 = 15,856.64 : x
  2. Step 2: Convert to fraction form
    53,306.64/79,946 = 15,856.64/x
  3. Step 3: Cross multiply
    53,306.64x = 79,946 × 15,856.64
  4. Step 4: Simplify right side
    53,306.64x = 1,267,674,941.44
  5. Step 5: Solve for x
    x = 1,267,674,941.44/53,306.64
  6. Step 6: Final answer
    x = 23,780.81

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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.