Home / 32,834.48-45,315.60-18,688.64

Finding the Fourth Proportional to 32,834.48, 45,315.60 and 18,688.64

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Solution

The fourth proportional to 32,834.48, 45,315.60 and 18,688.64 is: 25,792.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,834.48 : 45,315.60 = 18,688.64 : x
  2. Step 2: Convert to fraction form
    32,834.48/45,315.60 = 18,688.64/x
  3. Step 3: Cross multiply
    32,834.48x = 45,315.60 × 18,688.64
  4. Step 4: Simplify right side
    32,834.48x = 846,886,934.78
  5. Step 5: Solve for x
    x = 846,886,934.78/32,834.48
  6. Step 6: Final answer
    x = 25,792.61

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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.