Home / 36,005.40-49,714.02-21,877.20

Finding the Fourth Proportional to 36,005.40, 49,714.02 and 21,877.20

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Solution

The fourth proportional to 36,005.40, 49,714.02 and 21,877.20 is: 30,206.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,005.40 : 49,714.02 = 21,877.20 : x
  2. Step 2: Convert to fraction form
    36,005.40/49,714.02 = 21,877.20/x
  3. Step 3: Cross multiply
    36,005.40x = 49,714.02 × 21,877.20
  4. Step 4: Simplify right side
    36,005.40x = 1,087,603,558.34
  5. Step 5: Solve for x
    x = 1,087,603,558.34/36,005.40
  6. Step 6: Final answer
    x = 30,206.68

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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.