Home / 35,985.23-49,665.63-20,890.43

Finding the Fourth Proportional to 35,985.23, 49,665.63 and 20,890.43

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Solution

The fourth proportional to 35,985.23, 49,665.63 and 20,890.43 is: 28,832.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,985.23 : 49,665.63 = 20,890.43 : x
  2. Step 2: Convert to fraction form
    35,985.23/49,665.63 = 20,890.43/x
  3. Step 3: Cross multiply
    35,985.23x = 49,665.63 × 20,890.43
  4. Step 4: Simplify right side
    35,985.23x = 1,037,536,366.92
  5. Step 5: Solve for x
    x = 1,037,536,366.92/35,985.23
  6. Step 6: Final answer
    x = 28,832.28

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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.