Home / 53,653.95-74,053.26-30,996.63

Finding the Fourth Proportional to 53,653.95, 74,053.26 and 30,996.63

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Solution

The fourth proportional to 53,653.95, 74,053.26 and 30,996.63 is: 42,781.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,653.95 : 74,053.26 = 30,996.63 : x
  2. Step 2: Convert to fraction form
    53,653.95/74,053.26 = 30,996.63/x
  3. Step 3: Cross multiply
    53,653.95x = 74,053.26 × 30,996.63
  4. Step 4: Simplify right side
    53,653.95x = 2,295,401,500.51
  5. Step 5: Solve for x
    x = 2,295,401,500.51/53,653.95
  6. Step 6: Final answer
    x = 42,781.59

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1.5x scale

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.