Home / 32,851.31-45,338.35-20,113.06

Finding the Fourth Proportional to 32,851.31, 45,338.35 and 20,113.06

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Solution

The fourth proportional to 32,851.31, 45,338.35 and 20,113.06 is: 27,758.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,851.31 : 45,338.35 = 20,113.06 : x
  2. Step 2: Convert to fraction form
    32,851.31/45,338.35 = 20,113.06/x
  3. Step 3: Cross multiply
    32,851.31x = 45,338.35 × 20,113.06
  4. Step 4: Simplify right side
    32,851.31x = 911,892,953.85
  5. Step 5: Solve for x
    x = 911,892,953.85/32,851.31
  6. Step 6: Final answer
    x = 27,758.19

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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.