Home / 35,320.10-48,741.76-19,405.58

Finding the Fourth Proportional to 35,320.10, 48,741.76 and 19,405.58

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Solution

The fourth proportional to 35,320.10, 48,741.76 and 19,405.58 is: 26,779.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,320.10 : 48,741.76 = 19,405.58 : x
  2. Step 2: Convert to fraction form
    35,320.10/48,741.76 = 19,405.58/x
  3. Step 3: Cross multiply
    35,320.10x = 48,741.76 × 19,405.58
  4. Step 4: Simplify right side
    35,320.10x = 945,862,123.02
  5. Step 5: Solve for x
    x = 945,862,123.02/35,320.10
  6. Step 6: Final answer
    x = 26,779.71

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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.