Home / 45,573.16-68,359.28-14,408.40

Finding the Fourth Proportional to 45,573.16, 68,359.28 and 14,408.40

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Solution

The fourth proportional to 45,573.16, 68,359.28 and 14,408.40 is: 21,612.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,573.16 : 68,359.28 = 14,408.40 : x
  2. Step 2: Convert to fraction form
    45,573.16/68,359.28 = 14,408.40/x
  3. Step 3: Cross multiply
    45,573.16x = 68,359.28 × 14,408.40
  4. Step 4: Simplify right side
    45,573.16x = 984,947,849.95
  5. Step 5: Solve for x
    x = 984,947,849.95/45,573.16
  6. Step 6: Final answer
    x = 21,612.45

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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.