Home / 30,312.32-41,857.43-19,001.23

Finding the Fourth Proportional to 30,312.32, 41,857.43 and 19,001.23

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Solution

The fourth proportional to 30,312.32, 41,857.43 and 19,001.23 is: 26,238.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,312.32 : 41,857.43 = 19,001.23 : x
  2. Step 2: Convert to fraction form
    30,312.32/41,857.43 = 19,001.23/x
  3. Step 3: Cross multiply
    30,312.32x = 41,857.43 × 19,001.23
  4. Step 4: Simplify right side
    30,312.32x = 795,342,454.99
  5. Step 5: Solve for x
    x = 795,342,454.99/30,312.32
  6. Step 6: Final answer
    x = 26,238.26

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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.