Home / 56,015.12-77,266.03-33,338.63

Finding the Fourth Proportional to 56,015.12, 77,266.03 and 33,338.63

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Solution

The fourth proportional to 56,015.12, 77,266.03 and 33,338.63 is: 45,986.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,015.12 : 77,266.03 = 33,338.63 : x
  2. Step 2: Convert to fraction form
    56,015.12/77,266.03 = 33,338.63/x
  3. Step 3: Cross multiply
    56,015.12x = 77,266.03 × 33,338.63
  4. Step 4: Simplify right side
    56,015.12x = 2,575,943,585.74
  5. Step 5: Solve for x
    x = 2,575,943,585.74/56,015.12
  6. Step 6: Final answer
    x = 45,986.58

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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.