Home / 35,415,020.65-48,876,365.18-21,290,779.71

Finding the Fourth Proportional to 35,415,020.65, 48,876,365.18 and 21,290,779.71

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Solution

The fourth proportional to 35,415,020.65, 48,876,365.18 and 21,290,779.71 is: 29,383,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,415,020.65 : 48,876,365.18 = 21,290,779.71 : x
  2. Step 2: Convert to fraction form
    35,415,020.65/48,876,365.18 = 21,290,779.71/x
  3. Step 3: Cross multiply
    35,415,020.65x = 48,876,365.18 × 21,290,779.71
  4. Step 4: Simplify right side
    35,415,020.65x = 1,040,615,924,174,526.88
  5. Step 5: Solve for x
    x = 1,040,615,924,174,526.88/35,415,020.65
  6. Step 6: Final answer
    x = 29,383,462.30

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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.