Home / 33,117.02-45,701.28-18,779.58

Finding the Fourth Proportional to 33,117.02, 45,701.28 and 18,779.58

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Solution

The fourth proportional to 33,117.02, 45,701.28 and 18,779.58 is: 25,915.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,117.02 : 45,701.28 = 18,779.58 : x
  2. Step 2: Convert to fraction form
    33,117.02/45,701.28 = 18,779.58/x
  3. Step 3: Cross multiply
    33,117.02x = 45,701.28 × 18,779.58
  4. Step 4: Simplify right side
    33,117.02x = 858,250,843.86
  5. Step 5: Solve for x
    x = 858,250,843.86/33,117.02
  6. Step 6: Final answer
    x = 25,915.70

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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.