Home / 45,262.51-67,867.28-13,663.10

Finding the Fourth Proportional to 45,262.51, 67,867.28 and 13,663.10

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Solution

The fourth proportional to 45,262.51, 67,867.28 and 13,663.10 is: 20,486.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,262.51 : 67,867.28 = 13,663.10 : x
  2. Step 2: Convert to fraction form
    45,262.51/67,867.28 = 13,663.10/x
  3. Step 3: Cross multiply
    45,262.51x = 67,867.28 × 13,663.10
  4. Step 4: Simplify right side
    45,262.51x = 927,277,025.72
  5. Step 5: Solve for x
    x = 927,277,025.72/45,262.51
  6. Step 6: Final answer
    x = 20,486.65

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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.