Home / 45,426.32-68,140.08-14,261.57

Finding the Fourth Proportional to 45,426.32, 68,140.08 and 14,261.57

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Solution

The fourth proportional to 45,426.32, 68,140.08 and 14,261.57 is: 21,392.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,426.32 : 68,140.08 = 14,261.57 : x
  2. Step 2: Convert to fraction form
    45,426.32/68,140.08 = 14,261.57/x
  3. Step 3: Cross multiply
    45,426.32x = 68,140.08 × 14,261.57
  4. Step 4: Simplify right side
    45,426.32x = 971,784,108.72
  5. Step 5: Solve for x
    x = 971,784,108.72/45,426.32
  6. Step 6: Final answer
    x = 21,392.54

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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.