Home / 34,867.02-48,111.48-20,518.32

Finding the Fourth Proportional to 34,867.02, 48,111.48 and 20,518.32

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Solution

The fourth proportional to 34,867.02, 48,111.48 and 20,518.32 is: 28,312.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,867.02 : 48,111.48 = 20,518.32 : x
  2. Step 2: Convert to fraction form
    34,867.02/48,111.48 = 20,518.32/x
  3. Step 3: Cross multiply
    34,867.02x = 48,111.48 × 20,518.32
  4. Step 4: Simplify right side
    34,867.02x = 987,166,742.31
  5. Step 5: Solve for x
    x = 987,166,742.31/34,867.02
  6. Step 6: Final answer
    x = 28,312.33

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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.