Home / 30,904.49-42,626.43-29,875.73

Finding the Fourth Proportional to 30,904.49, 42,626.43 and 29,875.73

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Solution

The fourth proportional to 30,904.49, 42,626.43 and 29,875.73 is: 41,207.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,904.49 : 42,626.43 = 29,875.73 : x
  2. Step 2: Convert to fraction form
    30,904.49/42,626.43 = 29,875.73/x
  3. Step 3: Cross multiply
    30,904.49x = 42,626.43 × 29,875.73
  4. Step 4: Simplify right side
    30,904.49x = 1,273,495,500.41
  5. Step 5: Solve for x
    x = 1,273,495,500.41/30,904.49
  6. Step 6: Final answer
    x = 41,207.47

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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.