Home / 32,880.48-45,370.44-18,730.32

Finding the Fourth Proportional to 32,880.48, 45,370.44 and 18,730.32

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Solution

The fourth proportional to 32,880.48, 45,370.44 and 18,730.32 is: 25,845.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,880.48 : 45,370.44 = 18,730.32 : x
  2. Step 2: Convert to fraction form
    32,880.48/45,370.44 = 18,730.32/x
  3. Step 3: Cross multiply
    32,880.48x = 45,370.44 × 18,730.32
  4. Step 4: Simplify right side
    32,880.48x = 849,802,859.74
  5. Step 5: Solve for x
    x = 849,802,859.74/32,880.48
  6. Step 6: Final answer
    x = 25,845.21

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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.