Home / 42,815.41-64,207.18-14,727.58

Finding the Fourth Proportional to 42,815.41, 64,207.18 and 14,727.58

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Solution

The fourth proportional to 42,815.41, 64,207.18 and 14,727.58 is: 22,085.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,815.41 : 64,207.18 = 14,727.58 : x
  2. Step 2: Convert to fraction form
    42,815.41/64,207.18 = 14,727.58/x
  3. Step 3: Cross multiply
    42,815.41x = 64,207.18 × 14,727.58
  4. Step 4: Simplify right side
    42,815.41x = 945,616,380.02
  5. Step 5: Solve for x
    x = 945,616,380.02/42,815.41
  6. Step 6: Final answer
    x = 22,085.89

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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.