Home / 30,653.63-45,712.19-30,373.37

Finding the Fourth Proportional to 30,653.63, 45,712.19 and 30,373.37

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Solution

The fourth proportional to 30,653.63, 45,712.19 and 30,373.37 is: 45,294.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,653.63 : 45,712.19 = 30,373.37 : x
  2. Step 2: Convert to fraction form
    30,653.63/45,712.19 = 30,373.37/x
  3. Step 3: Cross multiply
    30,653.63x = 45,712.19 × 30,373.37
  4. Step 4: Simplify right side
    30,653.63x = 1,388,433,260.38
  5. Step 5: Solve for x
    x = 1,388,433,260.38/30,653.63
  6. Step 6: Final answer
    x = 45,294.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.