Home / 45,519.32-68,278.98-14,357

Finding the Fourth Proportional to 45,519.32, 68,278.98 and 14,357

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Solution

The fourth proportional to 45,519.32, 68,278.98 and 14,357 is: 21,535.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,519.32 : 68,278.98 = 14,357 : x
  2. Step 2: Convert to fraction form
    45,519.32/68,278.98 = 14,357/x
  3. Step 3: Cross multiply
    45,519.32x = 68,278.98 × 14,357
  4. Step 4: Simplify right side
    45,519.32x = 980,281,315.86
  5. Step 5: Solve for x
    x = 980,281,315.86/45,519.32
  6. Step 6: Final answer
    x = 21,535.50

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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.