Home / 42,667.58-64,001.43-14,587.92

Finding the Fourth Proportional to 42,667.58, 64,001.43 and 14,587.92

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Solution

The fourth proportional to 42,667.58, 64,001.43 and 14,587.92 is: 21,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,667.58 : 64,001.43 = 14,587.92 : x
  2. Step 2: Convert to fraction form
    42,667.58/64,001.43 = 14,587.92/x
  3. Step 3: Cross multiply
    42,667.58x = 64,001.43 × 14,587.92
  4. Step 4: Simplify right side
    42,667.58x = 933,647,740.73
  5. Step 5: Solve for x
    x = 933,647,740.73/42,667.58
  6. Step 6: Final answer
    x = 21,881.90

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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.