Home / 47,830.32-71,746.00-19,731.02

Finding the Fourth Proportional to 47,830.32, 71,746.00 and 19,731.02

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Solution

The fourth proportional to 47,830.32, 71,746.00 and 19,731.02 is: 29,596.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,830.32 : 71,746.00 = 19,731.02 : x
  2. Step 2: Convert to fraction form
    47,830.32/71,746.00 = 19,731.02/x
  3. Step 3: Cross multiply
    47,830.32x = 71,746.00 × 19,731.02
  4. Step 4: Simplify right side
    47,830.32x = 1,415,621,352.86
  5. Step 5: Solve for x
    x = 1,415,621,352.86/47,830.32
  6. Step 6: Final answer
    x = 29,596.74

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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.