Home / 20,968.58-31,452.85-14,374.77

Finding the Fourth Proportional to 20,968.58, 31,452.85 and 14,374.77

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Solution

The fourth proportional to 20,968.58, 31,452.85 and 14,374.77 is: 21,562.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,968.58 : 31,452.85 = 14,374.77 : x
  2. Step 2: Convert to fraction form
    20,968.58/31,452.85 = 14,374.77/x
  3. Step 3: Cross multiply
    20,968.58x = 31,452.85 × 14,374.77
  4. Step 4: Simplify right side
    20,968.58x = 452,127,484.59
  5. Step 5: Solve for x
    x = 452,127,484.59/20,968.58
  6. Step 6: Final answer
    x = 21,562.14

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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.