Home / 34,720.56-52,065.20-11,021.40

Finding the Fourth Proportional to 34,720.56, 52,065.20 and 11,021.40

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Solution

The fourth proportional to 34,720.56, 52,065.20 and 11,021.40 is: 16,527.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,720.56 : 52,065.20 = 11,021.40 : x
  2. Step 2: Convert to fraction form
    34,720.56/52,065.20 = 11,021.40/x
  3. Step 3: Cross multiply
    34,720.56x = 52,065.20 × 11,021.40
  4. Step 4: Simplify right side
    34,720.56x = 573,831,395.28
  5. Step 5: Solve for x
    x = 573,831,395.28/34,720.56
  6. Step 6: Final answer
    x = 16,527.14

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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.