Home / 56,056.50-77,357.97-30,907.62

Finding the Fourth Proportional to 56,056.50, 77,357.97 and 30,907.62

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Solution

The fourth proportional to 56,056.50, 77,357.97 and 30,907.62 is: 42,652.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,056.50 : 77,357.97 = 30,907.62 : x
  2. Step 2: Convert to fraction form
    56,056.50/77,357.97 = 30,907.62/x
  3. Step 3: Cross multiply
    56,056.50x = 77,357.97 × 30,907.62
  4. Step 4: Simplify right side
    56,056.50x = 2,390,950,740.73
  5. Step 5: Solve for x
    x = 2,390,950,740.73/56,056.50
  6. Step 6: Final answer
    x = 42,652.52

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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.