Home / 37,237.61-51,338.53-30,840.64

Finding the Fourth Proportional to 37,237.61, 51,338.53 and 30,840.64

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Solution

The fourth proportional to 37,237.61, 51,338.53 and 30,840.64 is: 42,519.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,237.61 : 51,338.53 = 30,840.64 : x
  2. Step 2: Convert to fraction form
    37,237.61/51,338.53 = 30,840.64/x
  3. Step 3: Cross multiply
    37,237.61x = 51,338.53 × 30,840.64
  4. Step 4: Simplify right side
    37,237.61x = 1,583,312,858.59
  5. Step 5: Solve for x
    x = 1,583,312,858.59/37,237.61
  6. Step 6: Final answer
    x = 42,519.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.