Home / 30,703.51-46,055.31-20,818.27

Finding the Fourth Proportional to 30,703.51, 46,055.31 and 20,818.27

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Solution

The fourth proportional to 30,703.51, 46,055.31 and 20,818.27 is: 31,227.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,703.51 : 46,055.31 = 20,818.27 : x
  2. Step 2: Convert to fraction form
    30,703.51/46,055.31 = 20,818.27/x
  3. Step 3: Cross multiply
    30,703.51x = 46,055.31 × 20,818.27
  4. Step 4: Simplify right side
    30,703.51x = 958,791,878.51
  5. Step 5: Solve for x
    x = 958,791,878.51/30,703.51
  6. Step 6: Final answer
    x = 31,227.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.