Home / 32,830.58-45,300.93-18,683.66

Finding the Fourth Proportional to 32,830.58, 45,300.93 and 18,683.66

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Solution

The fourth proportional to 32,830.58, 45,300.93 and 18,683.66 is: 25,780.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,830.58 : 45,300.93 = 18,683.66 : x
  2. Step 2: Convert to fraction form
    32,830.58/45,300.93 = 18,683.66/x
  3. Step 3: Cross multiply
    32,830.58x = 45,300.93 × 18,683.66
  4. Step 4: Simplify right side
    32,830.58x = 846,387,173.80
  5. Step 5: Solve for x
    x = 846,387,173.80/32,830.58
  6. Step 6: Final answer
    x = 25,780.45

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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.