Home / 45,778.77-68,678.86-14,187.18

Finding the Fourth Proportional to 45,778.77, 68,678.86 and 14,187.18

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Solution

The fourth proportional to 45,778.77, 68,678.86 and 14,187.18 is: 21,284.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,778.77 : 68,678.86 = 14,187.18 : x
  2. Step 2: Convert to fraction form
    45,778.77/68,678.86 = 14,187.18/x
  3. Step 3: Cross multiply
    45,778.77x = 68,678.86 × 14,187.18
  4. Step 4: Simplify right side
    45,778.77x = 974,359,058.12
  5. Step 5: Solve for x
    x = 974,359,058.12/45,778.77
  6. Step 6: Final answer
    x = 21,284.08

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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.