Home / 37,814.70-56,722.05-31,909.80

Finding the Fourth Proportional to 37,814.70, 56,722.05 and 31,909.80

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Solution

The fourth proportional to 37,814.70, 56,722.05 and 31,909.80 is: 47,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,814.70 : 56,722.05 = 31,909.80 : x
  2. Step 2: Convert to fraction form
    37,814.70/56,722.05 = 31,909.80/x
  3. Step 3: Cross multiply
    37,814.70x = 56,722.05 × 31,909.80
  4. Step 4: Simplify right side
    37,814.70x = 1,809,989,271.09
  5. Step 5: Solve for x
    x = 1,809,989,271.09/37,814.70
  6. Step 6: Final answer
    x = 47,864.70

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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.