Home / 30,285.90-45,434.04-10,293.28

Finding the Fourth Proportional to 30,285.90, 45,434.04 and 10,293.28

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Solution

The fourth proportional to 30,285.90, 45,434.04 and 10,293.28 is: 15,441.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,285.90 : 45,434.04 = 10,293.28 : x
  2. Step 2: Convert to fraction form
    30,285.90/45,434.04 = 10,293.28/x
  3. Step 3: Cross multiply
    30,285.90x = 45,434.04 × 10,293.28
  4. Step 4: Simplify right side
    30,285.90x = 467,665,295.25
  5. Step 5: Solve for x
    x = 467,665,295.25/30,285.90
  6. Step 6: Final answer
    x = 15,441.68

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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.