Home / 30,155.58-45,239.49-10,433.70

Finding the Fourth Proportional to 30,155.58, 45,239.49 and 10,433.70

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Solution

The fourth proportional to 30,155.58, 45,239.49 and 10,433.70 is: 15,652.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,155.58 : 45,239.49 = 10,433.70 : x
  2. Step 2: Convert to fraction form
    30,155.58/45,239.49 = 10,433.70/x
  3. Step 3: Cross multiply
    30,155.58x = 45,239.49 × 10,433.70
  4. Step 4: Simplify right side
    30,155.58x = 472,015,266.81
  5. Step 5: Solve for x
    x = 472,015,266.81/30,155.58
  6. Step 6: Final answer
    x = 15,652.67

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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.