Home / 35,462.88-48,941.28-20,358

Finding the Fourth Proportional to 35,462.88, 48,941.28 and 20,358

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Solution

The fourth proportional to 35,462.88, 48,941.28 and 20,358 is: 28,095.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,462.88 : 48,941.28 = 20,358 : x
  2. Step 2: Convert to fraction form
    35,462.88/48,941.28 = 20,358/x
  3. Step 3: Cross multiply
    35,462.88x = 48,941.28 × 20,358
  4. Step 4: Simplify right side
    35,462.88x = 996,346,578.24
  5. Step 5: Solve for x
    x = 996,346,578.24/35,462.88
  6. Step 6: Final answer
    x = 28,095.48

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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.