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Finding the Fourth Proportional to 48,315.51, 72,470.97 and 15,034.77

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Solution

The fourth proportional to 48,315.51, 72,470.97 and 15,034.77 is: 22,551.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,315.51 : 72,470.97 = 15,034.77 : x
  2. Step 2: Convert to fraction form
    48,315.51/72,470.97 = 15,034.77/x
  3. Step 3: Cross multiply
    48,315.51x = 72,470.97 × 15,034.77
  4. Step 4: Simplify right side
    48,315.51x = 1,089,584,365.63
  5. Step 5: Solve for x
    x = 1,089,584,365.63/48,315.51
  6. Step 6: Final answer
    x = 22,551.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.