Home / 35,921.34-53,883.51-10,620.90

Finding the Fourth Proportional to 35,921.34, 53,883.51 and 10,620.90

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Solution

The fourth proportional to 35,921.34, 53,883.51 and 10,620.90 is: 15,931.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,921.34 : 53,883.51 = 10,620.90 : x
  2. Step 2: Convert to fraction form
    35,921.34/53,883.51 = 10,620.90/x
  3. Step 3: Cross multiply
    35,921.34x = 53,883.51 × 10,620.90
  4. Step 4: Simplify right side
    35,921.34x = 572,291,371.36
  5. Step 5: Solve for x
    x = 572,291,371.36/35,921.34
  6. Step 6: Final answer
    x = 15,931.79

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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.