Home / 47,748.80-71,655.60-31,068.20

Finding the Fourth Proportional to 47,748.80, 71,655.60 and 31,068.20

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Solution

The fourth proportional to 47,748.80, 71,655.60 and 31,068.20 is: 46,623.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,748.80 : 71,655.60 = 31,068.20 : x
  2. Step 2: Convert to fraction form
    47,748.80/71,655.60 = 31,068.20/x
  3. Step 3: Cross multiply
    47,748.80x = 71,655.60 × 31,068.20
  4. Step 4: Simplify right side
    47,748.80x = 2,226,210,511.92
  5. Step 5: Solve for x
    x = 2,226,210,511.92/47,748.80
  6. Step 6: Final answer
    x = 46,623.38

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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.