Home / 51,457.74-77,186.61-14,521.74

Finding the Fourth Proportional to 51,457.74, 77,186.61 and 14,521.74

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Solution

The fourth proportional to 51,457.74, 77,186.61 and 14,521.74 is: 21,782.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,457.74 : 77,186.61 = 14,521.74 : x
  2. Step 2: Convert to fraction form
    51,457.74/77,186.61 = 14,521.74/x
  3. Step 3: Cross multiply
    51,457.74x = 77,186.61 × 14,521.74
  4. Step 4: Simplify right side
    51,457.74x = 1,120,883,881.90
  5. Step 5: Solve for x
    x = 1,120,883,881.90/51,457.74
  6. Step 6: Final answer
    x = 21,782.61

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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.