Home / 30,710.86-46,135.54-18,239.03

Finding the Fourth Proportional to 30,710.86, 46,135.54 and 18,239.03

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Solution

The fourth proportional to 30,710.86, 46,135.54 and 18,239.03 is: 27,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,710.86 : 46,135.54 = 18,239.03 : x
  2. Step 2: Convert to fraction form
    30,710.86/46,135.54 = 18,239.03/x
  3. Step 3: Cross multiply
    30,710.86x = 46,135.54 × 18,239.03
  4. Step 4: Simplify right side
    30,710.86x = 841,467,498.13
  5. Step 5: Solve for x
    x = 841,467,498.13/30,710.86
  6. Step 6: Final answer
    x = 27,399.68

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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.