Home / 51,213.40-76,820.10-23,565.40

Finding the Fourth Proportional to 51,213.40, 76,820.10 and 23,565.40

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Solution

The fourth proportional to 51,213.40, 76,820.10 and 23,565.40 is: 35,348.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,213.40 : 76,820.10 = 23,565.40 : x
  2. Step 2: Convert to fraction form
    51,213.40/76,820.10 = 23,565.40/x
  3. Step 3: Cross multiply
    51,213.40x = 76,820.10 × 23,565.40
  4. Step 4: Simplify right side
    51,213.40x = 1,810,296,384.54
  5. Step 5: Solve for x
    x = 1,810,296,384.54/51,213.40
  6. Step 6: Final answer
    x = 35,348.10

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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.