Home / 45,809.48-68,710.96-14,218.77

Finding the Fourth Proportional to 45,809.48, 68,710.96 and 14,218.77

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Solution

The fourth proportional to 45,809.48, 68,710.96 and 14,218.77 is: 21,327.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,809.48 : 68,710.96 = 14,218.77 : x
  2. Step 2: Convert to fraction form
    45,809.48/68,710.96 = 14,218.77/x
  3. Step 3: Cross multiply
    45,809.48x = 68,710.96 × 14,218.77
  4. Step 4: Simplify right side
    45,809.48x = 976,985,336.72
  5. Step 5: Solve for x
    x = 976,985,336.72/45,809.48
  6. Step 6: Final answer
    x = 21,327.14

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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.