Home / 45,749.95-63,174.33-28,782.47

Finding the Fourth Proportional to 45,749.95, 63,174.33 and 28,782.47

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Solution

The fourth proportional to 45,749.95, 63,174.33 and 28,782.47 is: 39,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,749.95 : 63,174.33 = 28,782.47 : x
  2. Step 2: Convert to fraction form
    45,749.95/63,174.33 = 28,782.47/x
  3. Step 3: Cross multiply
    45,749.95x = 63,174.33 × 28,782.47
  4. Step 4: Simplify right side
    45,749.95x = 1,818,313,415.93
  5. Step 5: Solve for x
    x = 1,818,313,415.93/45,749.95
  6. Step 6: Final answer
    x = 39,744.60

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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.