Home / 45,392.56-68,089.30-13,807.74

Finding the Fourth Proportional to 45,392.56, 68,089.30 and 13,807.74

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Solution

The fourth proportional to 45,392.56, 68,089.30 and 13,807.74 is: 20,711.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,392.56 : 68,089.30 = 13,807.74 : x
  2. Step 2: Convert to fraction form
    45,392.56/68,089.30 = 13,807.74/x
  3. Step 3: Cross multiply
    45,392.56x = 68,089.30 × 13,807.74
  4. Step 4: Simplify right side
    45,392.56x = 940,159,351.18
  5. Step 5: Solve for x
    x = 940,159,351.18/45,392.56
  6. Step 6: Final answer
    x = 20,711.75

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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.