Home / 30,418.17-45,603.10-19,953.37

Finding the Fourth Proportional to 30,418.17, 45,603.10 and 19,953.37

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Solution

The fourth proportional to 30,418.17, 45,603.10 and 19,953.37 is: 29,914.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,418.17 : 45,603.10 = 19,953.37 : x
  2. Step 2: Convert to fraction form
    30,418.17/45,603.10 = 19,953.37/x
  3. Step 3: Cross multiply
    30,418.17x = 45,603.10 × 19,953.37
  4. Step 4: Simplify right side
    30,418.17x = 909,935,609.39
  5. Step 5: Solve for x
    x = 909,935,609.39/30,418.17
  6. Step 6: Final answer
    x = 29,914.22

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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.