Home / 32,090.07-48,117.33-13,128.02

Finding the Fourth Proportional to 32,090.07, 48,117.33 and 13,128.02

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Solution

The fourth proportional to 32,090.07, 48,117.33 and 13,128.02 is: 19,684.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,090.07 : 48,117.33 = 13,128.02 : x
  2. Step 2: Convert to fraction form
    32,090.07/48,117.33 = 13,128.02/x
  3. Step 3: Cross multiply
    32,090.07x = 48,117.33 × 13,128.02
  4. Step 4: Simplify right side
    32,090.07x = 631,685,358.06
  5. Step 5: Solve for x
    x = 631,685,358.06/32,090.07
  6. Step 6: Final answer
    x = 19,684.76

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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.