Home / 35,313.66-48,712.50-21,158.31

Finding the Fourth Proportional to 35,313.66, 48,712.50 and 21,158.31

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Solution

The fourth proportional to 35,313.66, 48,712.50 and 21,158.31 is: 29,186.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,313.66 : 48,712.50 = 21,158.31 : x
  2. Step 2: Convert to fraction form
    35,313.66/48,712.50 = 21,158.31/x
  3. Step 3: Cross multiply
    35,313.66x = 48,712.50 × 21,158.31
  4. Step 4: Simplify right side
    35,313.66x = 1,030,674,175.88
  5. Step 5: Solve for x
    x = 1,030,674,175.88/35,313.66
  6. Step 6: Final answer
    x = 29,186.27

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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.