Home / 56,656.86-78,172.47-35,425.50

Finding the Fourth Proportional to 56,656.86, 78,172.47 and 35,425.50

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Solution

The fourth proportional to 56,656.86, 78,172.47 and 35,425.50 is: 48,878.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,656.86 : 78,172.47 = 35,425.50 : x
  2. Step 2: Convert to fraction form
    56,656.86/78,172.47 = 35,425.50/x
  3. Step 3: Cross multiply
    56,656.86x = 78,172.47 × 35,425.50
  4. Step 4: Simplify right side
    56,656.86x = 2,769,298,835.99
  5. Step 5: Solve for x
    x = 2,769,298,835.99/56,656.86
  6. Step 6: Final answer
    x = 48,878.44

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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.