Home / 34,514.60-51,779.10-19,711.40

Finding the Fourth Proportional to 34,514.60, 51,779.10 and 19,711.40

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Solution

The fourth proportional to 34,514.60, 51,779.10 and 19,711.40 is: 29,571.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,514.60 : 51,779.10 = 19,711.40 : x
  2. Step 2: Convert to fraction form
    34,514.60/51,779.10 = 19,711.40/x
  3. Step 3: Cross multiply
    34,514.60x = 51,779.10 × 19,711.40
  4. Step 4: Simplify right side
    34,514.60x = 1,020,638,551.74
  5. Step 5: Solve for x
    x = 1,020,638,551.74/34,514.60
  6. Step 6: Final answer
    x = 29,571.21

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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.