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Finding the Fourth Proportional to 30,539.08, 45,779.46 and 9,749.08

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Solution

The fourth proportional to 30,539.08, 45,779.46 and 9,749.08 is: 14,614.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,539.08 : 45,779.46 = 9,749.08 : x
  2. Step 2: Convert to fraction form
    30,539.08/45,779.46 = 9,749.08/x
  3. Step 3: Cross multiply
    30,539.08x = 45,779.46 × 9,749.08
  4. Step 4: Simplify right side
    30,539.08x = 446,307,617.90
  5. Step 5: Solve for x
    x = 446,307,617.90/30,539.08
  6. Step 6: Final answer
    x = 14,614.31

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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.