Home / 33,897.81-46,779.36-18,790.77

Finding the Fourth Proportional to 33,897.81, 46,779.36 and 18,790.77

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Solution

The fourth proportional to 33,897.81, 46,779.36 and 18,790.77 is: 25,931.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,897.81 : 46,779.36 = 18,790.77 : x
  2. Step 2: Convert to fraction form
    33,897.81/46,779.36 = 18,790.77/x
  3. Step 3: Cross multiply
    33,897.81x = 46,779.36 × 18,790.77
  4. Step 4: Simplify right side
    33,897.81x = 879,020,194.51
  5. Step 5: Solve for x
    x = 879,020,194.51/33,897.81
  6. Step 6: Final answer
    x = 25,931.47

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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.