Home / 45,429.02-68,106.27-20,461.58

Finding the Fourth Proportional to 45,429.02, 68,106.27 and 20,461.58

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Solution

The fourth proportional to 45,429.02, 68,106.27 and 20,461.58 is: 30,675.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,429.02 : 68,106.27 = 20,461.58 : x
  2. Step 2: Convert to fraction form
    45,429.02/68,106.27 = 20,461.58/x
  3. Step 3: Cross multiply
    45,429.02x = 68,106.27 × 20,461.58
  4. Step 4: Simplify right side
    45,429.02x = 1,393,561,768.61
  5. Step 5: Solve for x
    x = 1,393,561,768.61/45,429.02
  6. Step 6: Final answer
    x = 30,675.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.