Home / 32,729.48-45,161.76-18,386.56

Finding the Fourth Proportional to 32,729.48, 45,161.76 and 18,386.56

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Solution

The fourth proportional to 32,729.48, 45,161.76 and 18,386.56 is: 25,370.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,729.48 : 45,161.76 = 18,386.56 : x
  2. Step 2: Convert to fraction form
    32,729.48/45,161.76 = 18,386.56/x
  3. Step 3: Cross multiply
    32,729.48x = 45,161.76 × 18,386.56
  4. Step 4: Simplify right side
    32,729.48x = 830,369,409.95
  5. Step 5: Solve for x
    x = 830,369,409.95/32,729.48
  6. Step 6: Final answer
    x = 25,370.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.