Home / 53,020.09-79,528.05-17,959.74

Finding the Fourth Proportional to 53,020.09, 79,528.05 and 17,959.74

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Solution

The fourth proportional to 53,020.09, 79,528.05 and 17,959.74 is: 26,938.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,020.09 : 79,528.05 = 17,959.74 : x
  2. Step 2: Convert to fraction form
    53,020.09/79,528.05 = 17,959.74/x
  3. Step 3: Cross multiply
    53,020.09x = 79,528.05 × 17,959.74
  4. Step 4: Simplify right side
    53,020.09x = 1,428,303,100.71
  5. Step 5: Solve for x
    x = 1,428,303,100.71/53,020.09
  6. Step 6: Final answer
    x = 26,938.91

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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.