Home / 53,013.66-79,378.47-28,001.94

Finding the Fourth Proportional to 53,013.66, 79,378.47 and 28,001.94

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Solution

The fourth proportional to 53,013.66, 79,378.47 and 28,001.94 is: 41,927.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,013.66 : 79,378.47 = 28,001.94 : x
  2. Step 2: Convert to fraction form
    53,013.66/79,378.47 = 28,001.94/x
  3. Step 3: Cross multiply
    53,013.66x = 79,378.47 × 28,001.94
  4. Step 4: Simplify right side
    53,013.66x = 2,222,751,154.23
  5. Step 5: Solve for x
    x = 2,222,751,154.23/53,013.66
  6. Step 6: Final answer
    x = 41,927.89

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1.5x scale

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.