Home / 40,091,054.76-55,325,653.50-21,756,340.32

Finding the Fourth Proportional to 40,091,054.76, 55,325,653.50 and 21,756,340.32

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Solution

The fourth proportional to 40,091,054.76, 55,325,653.50 and 21,756,340.32 is: 30,023,748.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,091,054.76 : 55,325,653.50 = 21,756,340.32 : x
  2. Step 2: Convert to fraction form
    40,091,054.76/55,325,653.50 = 21,756,340.32/x
  3. Step 3: Cross multiply
    40,091,054.76x = 55,325,653.50 × 21,756,340.32
  4. Step 4: Simplify right side
    40,091,054.76x = 1,203,683,745,972,399.25
  5. Step 5: Solve for x
    x = 1,203,683,745,972,399.25/40,091,054.76
  6. Step 6: Final answer
    x = 30,023,748.52

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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.