Home / 51,457.35-77,186.03-14,521.35

Finding the Fourth Proportional to 51,457.35, 77,186.03 and 14,521.35

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Solution

The fourth proportional to 51,457.35, 77,186.03 and 14,521.35 is: 21,782.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,457.35 : 77,186.03 = 14,521.35 : x
  2. Step 2: Convert to fraction form
    51,457.35/77,186.03 = 14,521.35/x
  3. Step 3: Cross multiply
    51,457.35x = 77,186.03 × 14,521.35
  4. Step 4: Simplify right side
    51,457.35x = 1,120,845,284.13
  5. Step 5: Solve for x
    x = 1,120,845,284.13/51,457.35
  6. Step 6: Final answer
    x = 21,782.03

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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.