Home / 35,429.77-48,892.16-20,331.23

Finding the Fourth Proportional to 35,429.77, 48,892.16 and 20,331.23

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Solution

The fourth proportional to 35,429.77, 48,892.16 and 20,331.23 is: 28,056.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,429.77 : 48,892.16 = 20,331.23 : x
  2. Step 2: Convert to fraction form
    35,429.77/48,892.16 = 20,331.23/x
  3. Step 3: Cross multiply
    35,429.77x = 48,892.16 × 20,331.23
  4. Step 4: Simplify right side
    35,429.77x = 994,037,648.50
  5. Step 5: Solve for x
    x = 994,037,648.50/35,429.77
  6. Step 6: Final answer
    x = 28,056.57

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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.