Home / 45,429.72-62,719.10-30,372.23

Finding the Fourth Proportional to 45,429.72, 62,719.10 and 30,372.23

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Solution

The fourth proportional to 45,429.72, 62,719.10 and 30,372.23 is: 41,931.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,429.72 : 62,719.10 = 30,372.23 : x
  2. Step 2: Convert to fraction form
    45,429.72/62,719.10 = 30,372.23/x
  3. Step 3: Cross multiply
    45,429.72x = 62,719.10 × 30,372.23
  4. Step 4: Simplify right side
    45,429.72x = 1,904,918,465.14
  5. Step 5: Solve for x
    x = 1,904,918,465.14/45,429.72
  6. Step 6: Final answer
    x = 41,931.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.