Home / 53,326.78-73,582.50-30,661.36

Finding the Fourth Proportional to 53,326.78, 73,582.50 and 30,661.36

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Solution

The fourth proportional to 53,326.78, 73,582.50 and 30,661.36 is: 42,307.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,326.78 : 73,582.50 = 30,661.36 : x
  2. Step 2: Convert to fraction form
    53,326.78/73,582.50 = 30,661.36/x
  3. Step 3: Cross multiply
    53,326.78x = 73,582.50 × 30,661.36
  4. Step 4: Simplify right side
    53,326.78x = 2,256,139,522.20
  5. Step 5: Solve for x
    x = 2,256,139,522.20/53,326.78
  6. Step 6: Final answer
    x = 42,307.81

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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.