Home / 51,620.67-77,430.10-14,180.60

Finding the Fourth Proportional to 51,620.67, 77,430.10 and 14,180.60

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Solution

The fourth proportional to 51,620.67, 77,430.10 and 14,180.60 is: 21,270.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,620.67 : 77,430.10 = 14,180.60 : x
  2. Step 2: Convert to fraction form
    51,620.67/77,430.10 = 14,180.60/x
  3. Step 3: Cross multiply
    51,620.67x = 77,430.10 × 14,180.60
  4. Step 4: Simplify right side
    51,620.67x = 1,098,005,276.06
  5. Step 5: Solve for x
    x = 1,098,005,276.06/51,620.67
  6. Step 6: Final answer
    x = 21,270.65

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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.