Home / 34,325.40-47,376.54-20,186.40

Finding the Fourth Proportional to 34,325.40, 47,376.54 and 20,186.40

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Solution

The fourth proportional to 34,325.40, 47,376.54 and 20,186.40 is: 27,861.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,325.40 : 47,376.54 = 20,186.40 : x
  2. Step 2: Convert to fraction form
    34,325.40/47,376.54 = 20,186.40/x
  3. Step 3: Cross multiply
    34,325.40x = 47,376.54 × 20,186.40
  4. Step 4: Simplify right side
    34,325.40x = 956,361,787.06
  5. Step 5: Solve for x
    x = 956,361,787.06/34,325.40
  6. Step 6: Final answer
    x = 27,861.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.