Home / 47,412.81-71,118.30-14,155.41

Finding the Fourth Proportional to 47,412.81, 71,118.30 and 14,155.41

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Solution

The fourth proportional to 47,412.81, 71,118.30 and 14,155.41 is: 21,232.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,412.81 : 71,118.30 = 14,155.41 : x
  2. Step 2: Convert to fraction form
    47,412.81/71,118.30 = 14,155.41/x
  3. Step 3: Cross multiply
    47,412.81x = 71,118.30 × 14,155.41
  4. Step 4: Simplify right side
    47,412.81x = 1,006,708,695.00
  5. Step 5: Solve for x
    x = 1,006,708,695.00/47,412.81
  6. Step 6: Final answer
    x = 21,232.84

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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.