Home / 53,316.06-79,981.56-19,577.82

Finding the Fourth Proportional to 53,316.06, 79,981.56 and 19,577.82

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Solution

The fourth proportional to 53,316.06, 79,981.56 and 19,577.82 is: 29,369.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,316.06 : 79,981.56 = 19,577.82 : x
  2. Step 2: Convert to fraction form
    53,316.06/79,981.56 = 19,577.82/x
  3. Step 3: Cross multiply
    53,316.06x = 79,981.56 × 19,577.82
  4. Step 4: Simplify right side
    53,316.06x = 1,565,864,585.00
  5. Step 5: Solve for x
    x = 1,565,864,585.00/53,316.06
  6. Step 6: Final answer
    x = 29,369.47

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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.