Home / 35,887.68-49,508.64-21,735.36

Finding the Fourth Proportional to 35,887.68, 49,508.64 and 21,735.36

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Solution

The fourth proportional to 35,887.68, 49,508.64 and 21,735.36 is: 29,984.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,887.68 : 49,508.64 = 21,735.36 : x
  2. Step 2: Convert to fraction form
    35,887.68/49,508.64 = 21,735.36/x
  3. Step 3: Cross multiply
    35,887.68x = 49,508.64 × 21,735.36
  4. Step 4: Simplify right side
    35,887.68x = 1,076,088,113.51
  5. Step 5: Solve for x
    x = 1,076,088,113.51/35,887.68
  6. Step 6: Final answer
    x = 29,984.89

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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.