Home / 35,431.52-48,894.57-20,332.98

Finding the Fourth Proportional to 35,431.52, 48,894.57 and 20,332.98

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Solution

The fourth proportional to 35,431.52, 48,894.57 and 20,332.98 is: 28,058.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,431.52 : 48,894.57 = 20,332.98 : x
  2. Step 2: Convert to fraction form
    35,431.52/48,894.57 = 20,332.98/x
  3. Step 3: Cross multiply
    35,431.52x = 48,894.57 × 20,332.98
  4. Step 4: Simplify right side
    35,431.52x = 994,172,313.92
  5. Step 5: Solve for x
    x = 994,172,313.92/35,431.52
  6. Step 6: Final answer
    x = 28,058.98

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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.