Home / 30,293.36-45,445.20-10,300.76

Finding the Fourth Proportional to 30,293.36, 45,445.20 and 10,300.76

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Solution

The fourth proportional to 30,293.36, 45,445.20 and 10,300.76 is: 15,452.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,293.36 : 45,445.20 = 10,300.76 : x
  2. Step 2: Convert to fraction form
    30,293.36/45,445.20 = 10,300.76/x
  3. Step 3: Cross multiply
    30,293.36x = 45,445.20 × 10,300.76
  4. Step 4: Simplify right side
    30,293.36x = 468,120,098.35
  5. Step 5: Solve for x
    x = 468,120,098.35/30,293.36
  6. Step 6: Final answer
    x = 15,452.89

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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.