Home / 42,828.66-64,249.84-14,741.80

Finding the Fourth Proportional to 42,828.66, 64,249.84 and 14,741.80

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Solution

The fourth proportional to 42,828.66, 64,249.84 and 14,741.80 is: 22,115.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,828.66 : 64,249.84 = 14,741.80 : x
  2. Step 2: Convert to fraction form
    42,828.66/64,249.84 = 14,741.80/x
  3. Step 3: Cross multiply
    42,828.66x = 64,249.84 × 14,741.80
  4. Step 4: Simplify right side
    42,828.66x = 947,158,291.31
  5. Step 5: Solve for x
    x = 947,158,291.31/42,828.66
  6. Step 6: Final answer
    x = 22,115.06

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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.