Home / 30,812.10-46,158.36-20,250.12

Finding the Fourth Proportional to 30,812.10, 46,158.36 and 20,250.12

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Solution

The fourth proportional to 30,812.10, 46,158.36 and 20,250.12 is: 30,335.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,812.10 : 46,158.36 = 20,250.12 : x
  2. Step 2: Convert to fraction form
    30,812.10/46,158.36 = 20,250.12/x
  3. Step 3: Cross multiply
    30,812.10x = 46,158.36 × 20,250.12
  4. Step 4: Simplify right side
    30,812.10x = 934,712,329.00
  5. Step 5: Solve for x
    x = 934,712,329.00/30,812.10
  6. Step 6: Final answer
    x = 30,335.89

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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.