Home / 51,820.22-77,730.33-14,380.30

Finding the Fourth Proportional to 51,820.22, 77,730.33 and 14,380.30

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Solution

The fourth proportional to 51,820.22, 77,730.33 and 14,380.30 is: 21,570.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,820.22 : 77,730.33 = 14,380.30 : x
  2. Step 2: Convert to fraction form
    51,820.22/77,730.33 = 14,380.30/x
  3. Step 3: Cross multiply
    51,820.22x = 77,730.33 × 14,380.30
  4. Step 4: Simplify right side
    51,820.22x = 1,117,785,464.50
  5. Step 5: Solve for x
    x = 1,117,785,464.50/51,820.22
  6. Step 6: Final answer
    x = 21,570.45

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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.