Home / 19,570.58-29,355.77-4,779.58

Finding the Fourth Proportional to 19,570.58, 29,355.77 and 4,779.58

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Solution

The fourth proportional to 19,570.58, 29,355.77 and 4,779.58 is: 7,169.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570.58 : 29,355.77 = 4,779.58 : x
  2. Step 2: Convert to fraction form
    19,570.58/29,355.77 = 4,779.58/x
  3. Step 3: Cross multiply
    19,570.58x = 29,355.77 × 4,779.58
  4. Step 4: Simplify right side
    19,570.58x = 140,308,189.74
  5. Step 5: Solve for x
    x = 140,308,189.74/19,570.58
  6. Step 6: Final answer
    x = 7,169.34

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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.