Home / 53,256.31-79,885.08-15,815.48

Finding the Fourth Proportional to 53,256.31, 79,885.08 and 15,815.48

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Solution

The fourth proportional to 53,256.31, 79,885.08 and 15,815.48 is: 23,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,256.31 : 79,885.08 = 15,815.48 : x
  2. Step 2: Convert to fraction form
    53,256.31/79,885.08 = 15,815.48/x
  3. Step 3: Cross multiply
    53,256.31x = 79,885.08 × 15,815.48
  4. Step 4: Simplify right side
    53,256.31x = 1,263,420,485.61
  5. Step 5: Solve for x
    x = 1,263,420,485.61/53,256.31
  6. Step 6: Final answer
    x = 23,723.40

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1.5x scale

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.