Home / 30,113.60-45,170.40-22,337.60

Finding the Fourth Proportional to 30,113.60, 45,170.40 and 22,337.60

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Solution

The fourth proportional to 30,113.60, 45,170.40 and 22,337.60 is: 33,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,113.60 : 45,170.40 = 22,337.60 : x
  2. Step 2: Convert to fraction form
    30,113.60/45,170.40 = 22,337.60/x
  3. Step 3: Cross multiply
    30,113.60x = 45,170.40 × 22,337.60
  4. Step 4: Simplify right side
    30,113.60x = 1,008,998,327.04
  5. Step 5: Solve for x
    x = 1,008,998,327.04/30,113.60
  6. Step 6: Final answer
    x = 33,506.40

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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.