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Finding the Fourth Proportional to 56,274.96, 77,674.80 and 35,041.68

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Solution

The fourth proportional to 56,274.96, 77,674.80 and 35,041.68 is: 48,367.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,274.96 : 77,674.80 = 35,041.68 : x
  2. Step 2: Convert to fraction form
    56,274.96/77,674.80 = 35,041.68/x
  3. Step 3: Cross multiply
    56,274.96x = 77,674.80 × 35,041.68
  4. Step 4: Simplify right side
    56,274.96x = 2,721,855,485.66
  5. Step 5: Solve for x
    x = 2,721,855,485.66/56,274.96
  6. Step 6: Final answer
    x = 48,367.08

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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.