Home / 35,143.87-48,497.12-21,004.51

Finding the Fourth Proportional to 35,143.87, 48,497.12 and 21,004.51

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Solution

The fourth proportional to 35,143.87, 48,497.12 and 21,004.51 is: 28,985.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,143.87 : 48,497.12 = 21,004.51 : x
  2. Step 2: Convert to fraction form
    35,143.87/48,497.12 = 21,004.51/x
  3. Step 3: Cross multiply
    35,143.87x = 48,497.12 × 21,004.51
  4. Step 4: Simplify right side
    35,143.87x = 1,018,658,136.99
  5. Step 5: Solve for x
    x = 1,018,658,136.99/35,143.87
  6. Step 6: Final answer
    x = 28,985.37

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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.