Home / 30,486.36-45,721.14-14,701.69

Finding the Fourth Proportional to 30,486.36, 45,721.14 and 14,701.69

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Solution

The fourth proportional to 30,486.36, 45,721.14 and 14,701.69 is: 22,048.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,486.36 : 45,721.14 = 14,701.69 : x
  2. Step 2: Convert to fraction form
    30,486.36/45,721.14 = 14,701.69/x
  3. Step 3: Cross multiply
    30,486.36x = 45,721.14 × 14,701.69
  4. Step 4: Simplify right side
    30,486.36x = 672,178,026.73
  5. Step 5: Solve for x
    x = 672,178,026.73/30,486.36
  6. Step 6: Final answer
    x = 22,048.48

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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.