Home / 35,816.34-53,650.67-20,980.27

Finding the Fourth Proportional to 35,816.34, 53,650.67 and 20,980.27

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Solution

The fourth proportional to 35,816.34, 53,650.67 and 20,980.27 is: 31,427.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,816.34 : 53,650.67 = 20,980.27 : x
  2. Step 2: Convert to fraction form
    35,816.34/53,650.67 = 20,980.27/x
  3. Step 3: Cross multiply
    35,816.34x = 53,650.67 × 20,980.27
  4. Step 4: Simplify right side
    35,816.34x = 1,125,605,542.28
  5. Step 5: Solve for x
    x = 1,125,605,542.28/35,816.34
  6. Step 6: Final answer
    x = 31,427.15

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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.