Home / 30,542.13-45,750.56-18,024.26

Finding the Fourth Proportional to 30,542.13, 45,750.56 and 18,024.26

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Solution

The fourth proportional to 30,542.13, 45,750.56 and 18,024.26 is: 26,999.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,542.13 : 45,750.56 = 18,024.26 : x
  2. Step 2: Convert to fraction form
    30,542.13/45,750.56 = 18,024.26/x
  3. Step 3: Cross multiply
    30,542.13x = 45,750.56 × 18,024.26
  4. Step 4: Simplify right side
    30,542.13x = 824,619,669.71
  5. Step 5: Solve for x
    x = 824,619,669.71/30,542.13
  6. Step 6: Final answer
    x = 26,999.42

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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.