Home / 35,421.96-48,881.61-19,506.72

Finding the Fourth Proportional to 35,421.96, 48,881.61 and 19,506.72

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Solution

The fourth proportional to 35,421.96, 48,881.61 and 19,506.72 is: 26,918.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,421.96 : 48,881.61 = 19,506.72 : x
  2. Step 2: Convert to fraction form
    35,421.96/48,881.61 = 19,506.72/x
  3. Step 3: Cross multiply
    35,421.96x = 48,881.61 × 19,506.72
  4. Step 4: Simplify right side
    35,421.96x = 953,519,879.42
  5. Step 5: Solve for x
    x = 953,519,879.42/35,421.96
  6. Step 6: Final answer
    x = 26,918.89

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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.