Home / 37,211.20-55,811.40-10,913.20

Finding the Fourth Proportional to 37,211.20, 55,811.40 and 10,913.20

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Solution

The fourth proportional to 37,211.20, 55,811.40 and 10,913.20 is: 16,368.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,211.20 : 55,811.40 = 10,913.20 : x
  2. Step 2: Convert to fraction form
    37,211.20/55,811.40 = 10,913.20/x
  3. Step 3: Cross multiply
    37,211.20x = 55,811.40 × 10,913.20
  4. Step 4: Simplify right side
    37,211.20x = 609,080,970.48
  5. Step 5: Solve for x
    x = 609,080,970.48/37,211.20
  6. Step 6: Final answer
    x = 16,368.22

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1.5x scale

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.