Home / 37,970.08-52,398.16-20,742.23

Finding the Fourth Proportional to 37,970.08, 52,398.16 and 20,742.23

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Solution

The fourth proportional to 37,970.08, 52,398.16 and 20,742.23 is: 28,623.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,970.08 : 52,398.16 = 20,742.23 : x
  2. Step 2: Convert to fraction form
    37,970.08/52,398.16 = 20,742.23/x
  3. Step 3: Cross multiply
    37,970.08x = 52,398.16 × 20,742.23
  4. Step 4: Simplify right side
    37,970.08x = 1,086,854,765.44
  5. Step 5: Solve for x
    x = 1,086,854,765.44/37,970.08
  6. Step 6: Final answer
    x = 28,623.98

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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.