Home / 51,820.67-77,730.14-23,341.78

Finding the Fourth Proportional to 51,820.67, 77,730.14 and 23,341.78

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Solution

The fourth proportional to 51,820.67, 77,730.14 and 23,341.78 is: 35,012.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,820.67 : 77,730.14 = 23,341.78 : x
  2. Step 2: Convert to fraction form
    51,820.67/77,730.14 = 23,341.78/x
  3. Step 3: Cross multiply
    51,820.67x = 77,730.14 × 23,341.78
  4. Step 4: Simplify right side
    51,820.67x = 1,814,359,827.25
  5. Step 5: Solve for x
    x = 1,814,359,827.25/51,820.67
  6. Step 6: Final answer
    x = 35,012.28

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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.