Home / 51,412.09-70,950.14-28,751.93

Finding the Fourth Proportional to 51,412.09, 70,950.14 and 28,751.93

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Solution

The fourth proportional to 51,412.09, 70,950.14 and 28,751.93 is: 39,678.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,412.09 : 70,950.14 = 28,751.93 : x
  2. Step 2: Convert to fraction form
    51,412.09/70,950.14 = 28,751.93/x
  3. Step 3: Cross multiply
    51,412.09x = 70,950.14 × 28,751.93
  4. Step 4: Simplify right side
    51,412.09x = 2,039,953,600.21
  5. Step 5: Solve for x
    x = 2,039,953,600.21/51,412.09
  6. Step 6: Final answer
    x = 39,678.48

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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.