Home / 47,004.15-70,524.69-20,690.45

Finding the Fourth Proportional to 47,004.15, 70,524.69 and 20,690.45

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Solution

The fourth proportional to 47,004.15, 70,524.69 and 20,690.45 is: 31,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,004.15 : 70,524.69 = 20,690.45 : x
  2. Step 2: Convert to fraction form
    47,004.15/70,524.69 = 20,690.45/x
  3. Step 3: Cross multiply
    47,004.15x = 70,524.69 × 20,690.45
  4. Step 4: Simplify right side
    47,004.15x = 1,459,187,572.21
  5. Step 5: Solve for x
    x = 1,459,187,572.21/47,004.15
  6. Step 6: Final answer
    x = 31,043.80

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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.