Home / 61,429.86-84,756.24-34,570.80

Finding the Fourth Proportional to 61,429.86, 84,756.24 and 34,570.80

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Solution

The fourth proportional to 61,429.86, 84,756.24 and 34,570.80 is: 47,698.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,429.86 : 84,756.24 = 34,570.80 : x
  2. Step 2: Convert to fraction form
    61,429.86/84,756.24 = 34,570.80/x
  3. Step 3: Cross multiply
    61,429.86x = 84,756.24 × 34,570.80
  4. Step 4: Simplify right side
    61,429.86x = 2,930,091,021.79
  5. Step 5: Solve for x
    x = 2,930,091,021.79/61,429.86
  6. Step 6: Final answer
    x = 47,698.16

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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.