Home / 35,703.76-49,271.18-19,790.60

Finding the Fourth Proportional to 35,703.76, 49,271.18 and 19,790.60

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Solution

The fourth proportional to 35,703.76, 49,271.18 and 19,790.60 is: 27,311.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,703.76 : 49,271.18 = 19,790.60 : x
  2. Step 2: Convert to fraction form
    35,703.76/49,271.18 = 19,790.60/x
  3. Step 3: Cross multiply
    35,703.76x = 49,271.18 × 19,790.60
  4. Step 4: Simplify right side
    35,703.76x = 975,106,214.91
  5. Step 5: Solve for x
    x = 975,106,214.91/35,703.76
  6. Step 6: Final answer
    x = 27,311.02

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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.