Home / 33,030.42-45,565.02-20,910.32

Finding the Fourth Proportional to 33,030.42, 45,565.02 and 20,910.32

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Solution

The fourth proportional to 33,030.42, 45,565.02 and 20,910.32 is: 28,845.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,030.42 : 45,565.02 = 20,910.32 : x
  2. Step 2: Convert to fraction form
    33,030.42/45,565.02 = 20,910.32/x
  3. Step 3: Cross multiply
    33,030.42x = 45,565.02 × 20,910.32
  4. Step 4: Simplify right side
    33,030.42x = 952,779,149.01
  5. Step 5: Solve for x
    x = 952,779,149.01/33,030.42
  6. Step 6: Final answer
    x = 28,845.51

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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.