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Finding the Fourth Proportional to 44,478.72, 66,718.08 and 26,953.56

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Solution

The fourth proportional to 44,478.72, 66,718.08 and 26,953.56 is: 40,430.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,478.72 : 66,718.08 = 26,953.56 : x
  2. Step 2: Convert to fraction form
    44,478.72/66,718.08 = 26,953.56/x
  3. Step 3: Cross multiply
    44,478.72x = 66,718.08 × 26,953.56
  4. Step 4: Simplify right side
    44,478.72x = 1,798,289,772.36
  5. Step 5: Solve for x
    x = 1,798,289,772.36/44,478.72
  6. Step 6: Final answer
    x = 40,430.34

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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.