Home / 37,913.76-56,840.67-18,928.66

Finding the Fourth Proportional to 37,913.76, 56,840.67 and 18,928.66

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Solution

The fourth proportional to 37,913.76, 56,840.67 and 18,928.66 is: 28,378.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,913.76 : 56,840.67 = 18,928.66 : x
  2. Step 2: Convert to fraction form
    37,913.76/56,840.67 = 18,928.66/x
  3. Step 3: Cross multiply
    37,913.76x = 56,840.67 × 18,928.66
  4. Step 4: Simplify right side
    37,913.76x = 1,075,917,716.60
  5. Step 5: Solve for x
    x = 1,075,917,716.60/37,913.76
  6. Step 6: Final answer
    x = 28,378.03

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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.