Home / 48,015.55-72,032.59-18,431.08

Finding the Fourth Proportional to 48,015.55, 72,032.59 and 18,431.08

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Solution

The fourth proportional to 48,015.55, 72,032.59 and 18,431.08 is: 27,650.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,015.55 : 72,032.59 = 18,431.08 : x
  2. Step 2: Convert to fraction form
    48,015.55/72,032.59 = 18,431.08/x
  3. Step 3: Cross multiply
    48,015.55x = 72,032.59 × 18,431.08
  4. Step 4: Simplify right side
    48,015.55x = 1,327,638,271.85
  5. Step 5: Solve for x
    x = 1,327,638,271.85/48,015.55
  6. Step 6: Final answer
    x = 27,650.17

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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.