Home / 53,602.10-73,959.07-30,936.28

Finding the Fourth Proportional to 53,602.10, 73,959.07 and 30,936.28

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Solution

The fourth proportional to 53,602.10, 73,959.07 and 30,936.28 is: 42,685.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,602.10 : 73,959.07 = 30,936.28 : x
  2. Step 2: Convert to fraction form
    53,602.10/73,959.07 = 30,936.28/x
  3. Step 3: Cross multiply
    53,602.10x = 73,959.07 × 30,936.28
  4. Step 4: Simplify right side
    53,602.10x = 2,288,018,498.06
  5. Step 5: Solve for x
    x = 2,288,018,498.06/53,602.10
  6. Step 6: Final answer
    x = 42,685.24

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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.