Home / 47,931.80-71,897.70-43,266.20

Finding the Fourth Proportional to 47,931.80, 71,897.70 and 43,266.20

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Solution

The fourth proportional to 47,931.80, 71,897.70 and 43,266.20 is: 64,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,931.80 : 71,897.70 = 43,266.20 : x
  2. Step 2: Convert to fraction form
    47,931.80/71,897.70 = 43,266.20/x
  3. Step 3: Cross multiply
    47,931.80x = 71,897.70 × 43,266.20
  4. Step 4: Simplify right side
    47,931.80x = 3,110,740,267.74
  5. Step 5: Solve for x
    x = 3,110,740,267.74/47,931.80
  6. Step 6: Final answer
    x = 64,899.30

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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.