Home / 35,455.15-48,930.27-19,539.58

Finding the Fourth Proportional to 35,455.15, 48,930.27 and 19,539.58

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Solution

The fourth proportional to 35,455.15, 48,930.27 and 19,539.58 is: 26,965.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,455.15 : 48,930.27 = 19,539.58 : x
  2. Step 2: Convert to fraction form
    35,455.15/48,930.27 = 19,539.58/x
  3. Step 3: Cross multiply
    35,455.15x = 48,930.27 × 19,539.58
  4. Step 4: Simplify right side
    35,455.15x = 956,076,925.09
  5. Step 5: Solve for x
    x = 956,076,925.09/35,455.15
  6. Step 6: Final answer
    x = 26,965.81

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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.