Home / 45,798.51-63,178.73-28,556.72

Finding the Fourth Proportional to 45,798.51, 63,178.73 and 28,556.72

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Solution

The fourth proportional to 45,798.51, 63,178.73 and 28,556.72 is: 39,393.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,798.51 : 63,178.73 = 28,556.72 : x
  2. Step 2: Convert to fraction form
    45,798.51/63,178.73 = 28,556.72/x
  3. Step 3: Cross multiply
    45,798.51x = 63,178.73 × 28,556.72
  4. Step 4: Simplify right side
    45,798.51x = 1,804,176,986.67
  5. Step 5: Solve for x
    x = 1,804,176,986.67/45,798.51
  6. Step 6: Final answer
    x = 39,393.79

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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.