Home / 30,535.91-45,828.45-15,749.06

Finding the Fourth Proportional to 30,535.91, 45,828.45 and 15,749.06

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Solution

The fourth proportional to 30,535.91, 45,828.45 and 15,749.06 is: 23,636.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,535.91 : 45,828.45 = 15,749.06 : x
  2. Step 2: Convert to fraction form
    30,535.91/45,828.45 = 15,749.06/x
  3. Step 3: Cross multiply
    30,535.91x = 45,828.45 × 15,749.06
  4. Step 4: Simplify right side
    30,535.91x = 721,754,779.61
  5. Step 5: Solve for x
    x = 721,754,779.61/30,535.91
  6. Step 6: Final answer
    x = 23,636.27

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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.