Home / 30,337.40-45,506.10-28,976.60

Finding the Fourth Proportional to 30,337.40, 45,506.10 and 28,976.60

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Solution

The fourth proportional to 30,337.40, 45,506.10 and 28,976.60 is: 43,464.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,337.40 : 45,506.10 = 28,976.60 : x
  2. Step 2: Convert to fraction form
    30,337.40/45,506.10 = 28,976.60/x
  3. Step 3: Cross multiply
    30,337.40x = 45,506.10 × 28,976.60
  4. Step 4: Simplify right side
    30,337.40x = 1,318,612,057.26
  5. Step 5: Solve for x
    x = 1,318,612,057.26/30,337.40
  6. Step 6: Final answer
    x = 43,464.90

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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.