Home / 30,263.70-45,399.60-10,548.30

Finding the Fourth Proportional to 30,263.70, 45,399.60 and 10,548.30

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Solution

The fourth proportional to 30,263.70, 45,399.60 and 10,548.30 is: 15,823.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,263.70 : 45,399.60 = 10,548.30 : x
  2. Step 2: Convert to fraction form
    30,263.70/45,399.60 = 10,548.30/x
  3. Step 3: Cross multiply
    30,263.70x = 45,399.60 × 10,548.30
  4. Step 4: Simplify right side
    30,263.70x = 478,888,600.68
  5. Step 5: Solve for x
    x = 478,888,600.68/30,263.70
  6. Step 6: Final answer
    x = 15,823.86

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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.