Home / 33,897.72-46,779.32-18,790.68

Finding the Fourth Proportional to 33,897.72, 46,779.32 and 18,790.68

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Solution

The fourth proportional to 33,897.72, 46,779.32 and 18,790.68 is: 25,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,897.72 : 46,779.32 = 18,790.68 : x
  2. Step 2: Convert to fraction form
    33,897.72/46,779.32 = 18,790.68/x
  3. Step 3: Cross multiply
    33,897.72x = 46,779.32 × 18,790.68
  4. Step 4: Simplify right side
    33,897.72x = 879,015,232.74
  5. Step 5: Solve for x
    x = 879,015,232.74/33,897.72
  6. Step 6: Final answer
    x = 25,931.40

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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.