Home / 30,431.22-45,386.55-29,373.09

Finding the Fourth Proportional to 30,431.22, 45,386.55 and 29,373.09

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Solution

The fourth proportional to 30,431.22, 45,386.55 and 29,373.09 is: 43,808.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,431.22 : 45,386.55 = 29,373.09 : x
  2. Step 2: Convert to fraction form
    30,431.22/45,386.55 = 29,373.09/x
  3. Step 3: Cross multiply
    30,431.22x = 45,386.55 × 29,373.09
  4. Step 4: Simplify right side
    30,431.22x = 1,333,143,217.94
  5. Step 5: Solve for x
    x = 1,333,143,217.94/30,431.22
  6. Step 6: Final answer
    x = 43,808.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.