Home / 34,821.15-48,053.62-18,905.86

Finding the Fourth Proportional to 34,821.15, 48,053.62 and 18,905.86

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Solution

The fourth proportional to 34,821.15, 48,053.62 and 18,905.86 is: 26,090.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,821.15 : 48,053.62 = 18,905.86 : x
  2. Step 2: Convert to fraction form
    34,821.15/48,053.62 = 18,905.86/x
  3. Step 3: Cross multiply
    34,821.15x = 48,053.62 × 18,905.86
  4. Step 4: Simplify right side
    34,821.15x = 908,495,012.21
  5. Step 5: Solve for x
    x = 908,495,012.21/34,821.15
  6. Step 6: Final answer
    x = 26,090.32

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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.