Home / 30,238.24-41,700.84-18,904.12

Finding the Fourth Proportional to 30,238.24, 41,700.84 and 18,904.12

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Solution

The fourth proportional to 30,238.24, 41,700.84 and 18,904.12 is: 26,070.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,238.24 : 41,700.84 = 18,904.12 : x
  2. Step 2: Convert to fraction form
    30,238.24/41,700.84 = 18,904.12/x
  3. Step 3: Cross multiply
    30,238.24x = 41,700.84 × 18,904.12
  4. Step 4: Simplify right side
    30,238.24x = 788,317,683.46
  5. Step 5: Solve for x
    x = 788,317,683.46/30,238.24
  6. Step 6: Final answer
    x = 26,070.22

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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.