Home / 56,211.49-77,465.12-40,268.26

Finding the Fourth Proportional to 56,211.49, 77,465.12 and 40,268.26

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Solution

The fourth proportional to 56,211.49, 77,465.12 and 40,268.26 is: 55,493.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,211.49 : 77,465.12 = 40,268.26 : x
  2. Step 2: Convert to fraction form
    56,211.49/77,465.12 = 40,268.26/x
  3. Step 3: Cross multiply
    56,211.49x = 77,465.12 × 40,268.26
  4. Step 4: Simplify right side
    56,211.49x = 3,119,385,593.09
  5. Step 5: Solve for x
    x = 3,119,385,593.09/56,211.49
  6. Step 6: Final answer
    x = 55,493.74

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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.