Home / 30,270.60-45,419.40-10,563.30

Finding the Fourth Proportional to 30,270.60, 45,419.40 and 10,563.30

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Solution

The fourth proportional to 30,270.60, 45,419.40 and 10,563.30 is: 15,849.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,270.60 : 45,419.40 = 10,563.30 : x
  2. Step 2: Convert to fraction form
    30,270.60/45,419.40 = 10,563.30/x
  3. Step 3: Cross multiply
    30,270.60x = 45,419.40 × 10,563.30
  4. Step 4: Simplify right side
    30,270.60x = 479,778,748.02
  5. Step 5: Solve for x
    x = 479,778,748.02/30,270.60
  6. Step 6: Final answer
    x = 15,849.66

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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.