Home / 29,390.72-44,071.64-20,510.32

Finding the Fourth Proportional to 29,390.72, 44,071.64 and 20,510.32

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Solution

The fourth proportional to 29,390.72, 44,071.64 and 20,510.32 is: 30,755.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,390.72 : 44,071.64 = 20,510.32 : x
  2. Step 2: Convert to fraction form
    29,390.72/44,071.64 = 20,510.32/x
  3. Step 3: Cross multiply
    29,390.72x = 44,071.64 × 20,510.32
  4. Step 4: Simplify right side
    29,390.72x = 903,923,439.32
  5. Step 5: Solve for x
    x = 903,923,439.32/29,390.72
  6. Step 6: Final answer
    x = 30,755.40

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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.