Home / 34,387.18-47,455.54-20,056.19

Finding the Fourth Proportional to 34,387.18, 47,455.54 and 20,056.19

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Solution

The fourth proportional to 34,387.18, 47,455.54 and 20,056.19 is: 27,678.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,387.18 : 47,455.54 = 20,056.19 : x
  2. Step 2: Convert to fraction form
    34,387.18/47,455.54 = 20,056.19/x
  3. Step 3: Cross multiply
    34,387.18x = 47,455.54 × 20,056.19
  4. Step 4: Simplify right side
    34,387.18x = 951,777,039.37
  5. Step 5: Solve for x
    x = 951,777,039.37/34,387.18
  6. Step 6: Final answer
    x = 27,678.25

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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.