Home / 48,261.40-72,402.90-18,676.60

Finding the Fourth Proportional to 48,261.40, 72,402.90 and 18,676.60

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Solution

The fourth proportional to 48,261.40, 72,402.90 and 18,676.60 is: 28,019.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,261.40 : 72,402.90 = 18,676.60 : x
  2. Step 2: Convert to fraction form
    48,261.40/72,402.90 = 18,676.60/x
  3. Step 3: Cross multiply
    48,261.40x = 72,402.90 × 18,676.60
  4. Step 4: Simplify right side
    48,261.40x = 1,352,240,002.14
  5. Step 5: Solve for x
    x = 1,352,240,002.14/48,261.40
  6. Step 6: Final answer
    x = 28,019.08

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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.