Home / 32,916.78-45,421.86-18,575.33

Finding the Fourth Proportional to 32,916.78, 45,421.86 and 18,575.33

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Solution

The fourth proportional to 32,916.78, 45,421.86 and 18,575.33 is: 25,632.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,916.78 : 45,421.86 = 18,575.33 : x
  2. Step 2: Convert to fraction form
    32,916.78/45,421.86 = 18,575.33/x
  3. Step 3: Cross multiply
    32,916.78x = 45,421.86 × 18,575.33
  4. Step 4: Simplify right side
    32,916.78x = 843,725,881.26
  5. Step 5: Solve for x
    x = 843,725,881.26/32,916.78
  6. Step 6: Final answer
    x = 25,632.09

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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.