Home / 42,917.57-64,379.18-14,840.34

Finding the Fourth Proportional to 42,917.57, 64,379.18 and 14,840.34

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Solution

The fourth proportional to 42,917.57, 64,379.18 and 14,840.34 is: 22,261.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,917.57 : 64,379.18 = 14,840.34 : x
  2. Step 2: Convert to fraction form
    42,917.57/64,379.18 = 14,840.34/x
  3. Step 3: Cross multiply
    42,917.57x = 64,379.18 × 14,840.34
  4. Step 4: Simplify right side
    42,917.57x = 955,408,920.12
  5. Step 5: Solve for x
    x = 955,408,920.12/42,917.57
  6. Step 6: Final answer
    x = 22,261.49

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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.