Home / 48,547.89-66,996.11-28,408.64

Finding the Fourth Proportional to 48,547.89, 66,996.11 and 28,408.64

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Solution

The fourth proportional to 48,547.89, 66,996.11 and 28,408.64 is: 39,203.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,547.89 : 66,996.11 = 28,408.64 : x
  2. Step 2: Convert to fraction form
    48,547.89/66,996.11 = 28,408.64/x
  3. Step 3: Cross multiply
    48,547.89x = 66,996.11 × 28,408.64
  4. Step 4: Simplify right side
    48,547.89x = 1,903,268,395.84
  5. Step 5: Solve for x
    x = 1,903,268,395.84/48,547.89
  6. Step 6: Final answer
    x = 39,203.94

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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.