Home / 51,903.24-77,842.90-20,314.06

Finding the Fourth Proportional to 51,903.24, 77,842.90 and 20,314.06

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Solution

The fourth proportional to 51,903.24, 77,842.90 and 20,314.06 is: 30,466.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,903.24 : 77,842.90 = 20,314.06 : x
  2. Step 2: Convert to fraction form
    51,903.24/77,842.90 = 20,314.06/x
  3. Step 3: Cross multiply
    51,903.24x = 77,842.90 × 20,314.06
  4. Step 4: Simplify right side
    51,903.24x = 1,581,305,341.17
  5. Step 5: Solve for x
    x = 1,581,305,341.17/51,903.24
  6. Step 6: Final answer
    x = 30,466.41

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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.