Home / 51,457.60-77,122.80-30,376.24

Finding the Fourth Proportional to 51,457.60, 77,122.80 and 30,376.24

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Solution

The fourth proportional to 51,457.60, 77,122.80 and 30,376.24 is: 45,526.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,457.60 : 77,122.80 = 30,376.24 : x
  2. Step 2: Convert to fraction form
    51,457.60/77,122.80 = 30,376.24/x
  3. Step 3: Cross multiply
    51,457.60x = 77,122.80 × 30,376.24
  4. Step 4: Simplify right side
    51,457.60x = 2,342,700,682.27
  5. Step 5: Solve for x
    x = 2,342,700,682.27/51,457.60
  6. Step 6: Final answer
    x = 45,526.82

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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.