Home / 35,142.87-48,495.74-21,003.51

Finding the Fourth Proportional to 35,142.87, 48,495.74 and 21,003.51

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Solution

The fourth proportional to 35,142.87, 48,495.74 and 21,003.51 is: 28,983.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,142.87 : 48,495.74 = 21,003.51 : x
  2. Step 2: Convert to fraction form
    35,142.87/48,495.74 = 21,003.51/x
  3. Step 3: Cross multiply
    35,142.87x = 48,495.74 × 21,003.51
  4. Step 4: Simplify right side
    35,142.87x = 1,018,580,655.03
  5. Step 5: Solve for x
    x = 1,018,580,655.03/35,142.87
  6. Step 6: Final answer
    x = 28,983.99

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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.