Home / 30,347.68-45,512.61-10,622.56

Finding the Fourth Proportional to 30,347.68, 45,512.61 and 10,622.56

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Solution

The fourth proportional to 30,347.68, 45,512.61 and 10,622.56 is: 15,930.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,347.68 : 45,512.61 = 10,622.56 : x
  2. Step 2: Convert to fraction form
    30,347.68/45,512.61 = 10,622.56/x
  3. Step 3: Cross multiply
    30,347.68x = 45,512.61 × 10,622.56
  4. Step 4: Simplify right side
    30,347.68x = 483,460,430.48
  5. Step 5: Solve for x
    x = 483,460,430.48/30,347.68
  6. Step 6: Final answer
    x = 15,930.72

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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.