Home / 30,426.57-45,640.17-10,705.32

Finding the Fourth Proportional to 30,426.57, 45,640.17 and 10,705.32

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Solution

The fourth proportional to 30,426.57, 45,640.17 and 10,705.32 is: 16,058.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,426.57 : 45,640.17 = 10,705.32 : x
  2. Step 2: Convert to fraction form
    30,426.57/45,640.17 = 10,705.32/x
  3. Step 3: Cross multiply
    30,426.57x = 45,640.17 × 10,705.32
  4. Step 4: Simplify right side
    30,426.57x = 488,592,624.70
  5. Step 5: Solve for x
    x = 488,592,624.70/30,426.57
  6. Step 6: Final answer
    x = 16,058.09

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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.