Home / 35,311.95-48,739.74-21,875.58

Finding the Fourth Proportional to 35,311.95, 48,739.74 and 21,875.58

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Solution

The fourth proportional to 35,311.95, 48,739.74 and 21,875.58 is: 30,194.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,311.95 : 48,739.74 = 21,875.58 : x
  2. Step 2: Convert to fraction form
    35,311.95/48,739.74 = 21,875.58/x
  3. Step 3: Cross multiply
    35,311.95x = 48,739.74 × 21,875.58
  4. Step 4: Simplify right side
    35,311.95x = 1,066,210,081.55
  5. Step 5: Solve for x
    x = 1,066,210,081.55/35,311.95
  6. Step 6: Final answer
    x = 30,194.03

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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.