Home / 51,240.51-76,863.12-15,699.28

Finding the Fourth Proportional to 51,240.51, 76,863.12 and 15,699.28

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Solution

The fourth proportional to 51,240.51, 76,863.12 and 15,699.28 is: 23,549.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,240.51 : 76,863.12 = 15,699.28 : x
  2. Step 2: Convert to fraction form
    51,240.51/76,863.12 = 15,699.28/x
  3. Step 3: Cross multiply
    51,240.51x = 76,863.12 × 15,699.28
  4. Step 4: Simplify right side
    51,240.51x = 1,206,695,642.55
  5. Step 5: Solve for x
    x = 1,206,695,642.55/51,240.51
  6. Step 6: Final answer
    x = 23,549.64

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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.