Home / 37,840.34-56,765.23-12,878.47

Finding the Fourth Proportional to 37,840.34, 56,765.23 and 12,878.47

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Solution

The fourth proportional to 37,840.34, 56,765.23 and 12,878.47 is: 19,319.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,840.34 : 56,765.23 = 12,878.47 : x
  2. Step 2: Convert to fraction form
    37,840.34/56,765.23 = 12,878.47/x
  3. Step 3: Cross multiply
    37,840.34x = 56,765.23 × 12,878.47
  4. Step 4: Simplify right side
    37,840.34x = 731,049,405.22
  5. Step 5: Solve for x
    x = 731,049,405.22/37,840.34
  6. Step 6: Final answer
    x = 19,319.31

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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.