Home / 30,645.54-45,925.77-13,964.81

Finding the Fourth Proportional to 30,645.54, 45,925.77 and 13,964.81

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Solution

The fourth proportional to 30,645.54, 45,925.77 and 13,964.81 is: 20,927.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,645.54 : 45,925.77 = 13,964.81 : x
  2. Step 2: Convert to fraction form
    30,645.54/45,925.77 = 13,964.81/x
  3. Step 3: Cross multiply
    30,645.54x = 45,925.77 × 13,964.81
  4. Step 4: Simplify right side
    30,645.54x = 641,344,422.52
  5. Step 5: Solve for x
    x = 641,344,422.52/30,645.54
  6. Step 6: Final answer
    x = 20,927.82

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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.