Home / 55,862.29-77,089.79-30,368.63

Finding the Fourth Proportional to 55,862.29, 77,089.79 and 30,368.63

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Solution

The fourth proportional to 55,862.29, 77,089.79 and 30,368.63 is: 41,908.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,862.29 : 77,089.79 = 30,368.63 : x
  2. Step 2: Convert to fraction form
    55,862.29/77,089.79 = 30,368.63/x
  3. Step 3: Cross multiply
    55,862.29x = 77,089.79 × 30,368.63
  4. Step 4: Simplify right side
    55,862.29x = 2,341,111,144.30
  5. Step 5: Solve for x
    x = 2,341,111,144.30/55,862.29
  6. Step 6: Final answer
    x = 41,908.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.