Home / 38,656.44-57,980.41-18,875.03

Finding the Fourth Proportional to 38,656.44, 57,980.41 and 18,875.03

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Solution

The fourth proportional to 38,656.44, 57,980.41 and 18,875.03 is: 28,310.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,656.44 : 57,980.41 = 18,875.03 : x
  2. Step 2: Convert to fraction form
    38,656.44/57,980.41 = 18,875.03/x
  3. Step 3: Cross multiply
    38,656.44x = 57,980.41 × 18,875.03
  4. Step 4: Simplify right side
    38,656.44x = 1,094,381,641.07
  5. Step 5: Solve for x
    x = 1,094,381,641.07/38,656.44
  6. Step 6: Final answer
    x = 28,310.46

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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.