Home / 53,457.51-80,186.88-14,018.61

Finding the Fourth Proportional to 53,457.51, 80,186.88 and 14,018.61

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Solution

The fourth proportional to 53,457.51, 80,186.88 and 14,018.61 is: 21,028.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,457.51 : 80,186.88 = 14,018.61 : x
  2. Step 2: Convert to fraction form
    53,457.51/80,186.88 = 14,018.61/x
  3. Step 3: Cross multiply
    53,457.51x = 80,186.88 × 14,018.61
  4. Step 4: Simplify right side
    53,457.51x = 1,124,108,597.84
  5. Step 5: Solve for x
    x = 1,124,108,597.84/53,457.51
  6. Step 6: Final answer
    x = 21,028.08

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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.