Home / 42,858.96-64,249.07-14,772.35

Finding the Fourth Proportional to 42,858.96, 64,249.07 and 14,772.35

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Solution

The fourth proportional to 42,858.96, 64,249.07 and 14,772.35 is: 22,144.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,858.96 : 64,249.07 = 14,772.35 : x
  2. Step 2: Convert to fraction form
    42,858.96/64,249.07 = 14,772.35/x
  3. Step 3: Cross multiply
    42,858.96x = 64,249.07 × 14,772.35
  4. Step 4: Simplify right side
    42,858.96x = 949,109,354.11
  5. Step 5: Solve for x
    x = 949,109,354.11/42,858.96
  6. Step 6: Final answer
    x = 22,144.95

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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.