Home / 51,905.13-77,863.16-23,820.40

Finding the Fourth Proportional to 51,905.13, 77,863.16 and 23,820.40

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Solution

The fourth proportional to 51,905.13, 77,863.16 and 23,820.40 is: 35,733.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,905.13 : 77,863.16 = 23,820.40 : x
  2. Step 2: Convert to fraction form
    51,905.13/77,863.16 = 23,820.40/x
  3. Step 3: Cross multiply
    51,905.13x = 77,863.16 × 23,820.40
  4. Step 4: Simplify right side
    51,905.13x = 1,854,731,616.46
  5. Step 5: Solve for x
    x = 1,854,731,616.46/51,905.13
  6. Step 6: Final answer
    x = 35,733.11

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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.