Home / 35,148.23-48,503.30-20,998.34

Finding the Fourth Proportional to 35,148.23, 48,503.30 and 20,998.34

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Solution

The fourth proportional to 35,148.23, 48,503.30 and 20,998.34 is: 28,976.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,148.23 : 48,503.30 = 20,998.34 : x
  2. Step 2: Convert to fraction form
    35,148.23/48,503.30 = 20,998.34/x
  3. Step 3: Cross multiply
    35,148.23x = 48,503.30 × 20,998.34
  4. Step 4: Simplify right side
    35,148.23x = 1,018,488,784.52
  5. Step 5: Solve for x
    x = 1,018,488,784.52/35,148.23
  6. Step 6: Final answer
    x = 28,976.96

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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.