Home / 45,173.36-62,390.40-30,808.64

Finding the Fourth Proportional to 45,173.36, 62,390.40 and 30,808.64

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Solution

The fourth proportional to 45,173.36, 62,390.40 and 30,808.64 is: 42,550.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,173.36 : 62,390.40 = 30,808.64 : x
  2. Step 2: Convert to fraction form
    45,173.36/62,390.40 = 30,808.64/x
  3. Step 3: Cross multiply
    45,173.36x = 62,390.40 × 30,808.64
  4. Step 4: Simplify right side
    45,173.36x = 1,922,163,373.06
  5. Step 5: Solve for x
    x = 1,922,163,373.06/45,173.36
  6. Step 6: Final answer
    x = 42,550.82

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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.