Home / 37,810.80-56,716.20-19,148.40

Finding the Fourth Proportional to 37,810.80, 56,716.20 and 19,148.40

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Solution

The fourth proportional to 37,810.80, 56,716.20 and 19,148.40 is: 28,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,810.80 : 56,716.20 = 19,148.40 : x
  2. Step 2: Convert to fraction form
    37,810.80/56,716.20 = 19,148.40/x
  3. Step 3: Cross multiply
    37,810.80x = 56,716.20 × 19,148.40
  4. Step 4: Simplify right side
    37,810.80x = 1,086,024,484.08
  5. Step 5: Solve for x
    x = 1,086,024,484.08/37,810.80
  6. Step 6: Final answer
    x = 28,722.60

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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.