Home / 43,803.02-65,714.25-12,638.27

Finding the Fourth Proportional to 43,803.02, 65,714.25 and 12,638.27

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Solution

The fourth proportional to 43,803.02, 65,714.25 and 12,638.27 is: 18,960.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,803.02 : 65,714.25 = 12,638.27 : x
  2. Step 2: Convert to fraction form
    43,803.02/65,714.25 = 12,638.27/x
  3. Step 3: Cross multiply
    43,803.02x = 65,714.25 × 12,638.27
  4. Step 4: Simplify right side
    43,803.02x = 830,514,434.35
  5. Step 5: Solve for x
    x = 830,514,434.35/43,803.02
  6. Step 6: Final answer
    x = 18,960.21

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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.