Home / 37,630.22-56,438.15-18,905.06

Finding the Fourth Proportional to 37,630.22, 56,438.15 and 18,905.06

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Solution

The fourth proportional to 37,630.22, 56,438.15 and 18,905.06 is: 28,353.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,630.22 : 56,438.15 = 18,905.06 : x
  2. Step 2: Convert to fraction form
    37,630.22/56,438.15 = 18,905.06/x
  3. Step 3: Cross multiply
    37,630.22x = 56,438.15 × 18,905.06
  4. Step 4: Simplify right side
    37,630.22x = 1,066,966,623.68
  5. Step 5: Solve for x
    x = 1,066,966,623.68/37,630.22
  6. Step 6: Final answer
    x = 28,353.98

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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.