Home / 47,285.80-70,939.08-14,008.48

Finding the Fourth Proportional to 47,285.80, 70,939.08 and 14,008.48

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Solution

The fourth proportional to 47,285.80, 70,939.08 and 14,008.48 is: 21,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,285.80 : 70,939.08 = 14,008.48 : x
  2. Step 2: Convert to fraction form
    47,285.80/70,939.08 = 14,008.48/x
  3. Step 3: Cross multiply
    47,285.80x = 70,939.08 × 14,008.48
  4. Step 4: Simplify right side
    47,285.80x = 993,748,683.40
  5. Step 5: Solve for x
    x = 993,748,683.40/47,285.80
  6. Step 6: Final answer
    x = 21,015.80

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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.