Home / 51,055.08-70,462.34-28,699.08

Finding the Fourth Proportional to 51,055.08, 70,462.34 and 28,699.08

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Solution

The fourth proportional to 51,055.08, 70,462.34 and 28,699.08 is: 39,608.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,055.08 : 70,462.34 = 28,699.08 : x
  2. Step 2: Convert to fraction form
    51,055.08/70,462.34 = 28,699.08/x
  3. Step 3: Cross multiply
    51,055.08x = 70,462.34 × 28,699.08
  4. Step 4: Simplify right side
    51,055.08x = 2,022,204,332.65
  5. Step 5: Solve for x
    x = 2,022,204,332.65/51,055.08
  6. Step 6: Final answer
    x = 39,608.29

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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.