Home / 56,518.56-77,998.68-31,368.60

Finding the Fourth Proportional to 56,518.56, 77,998.68 and 31,368.60

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Solution

The fourth proportional to 56,518.56, 77,998.68 and 31,368.60 is: 43,290.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,518.56 : 77,998.68 = 31,368.60 : x
  2. Step 2: Convert to fraction form
    56,518.56/77,998.68 = 31,368.60/x
  3. Step 3: Cross multiply
    56,518.56x = 77,998.68 × 31,368.60
  4. Step 4: Simplify right side
    56,518.56x = 2,446,709,393.45
  5. Step 5: Solve for x
    x = 2,446,709,393.45/56,518.56
  6. Step 6: Final answer
    x = 43,290.37

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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.