Home / 48,171.40-72,246.30-31,647.40

Finding the Fourth Proportional to 48,171.40, 72,246.30 and 31,647.40

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Solution

The fourth proportional to 48,171.40, 72,246.30 and 31,647.40 is: 47,464.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,171.40 : 72,246.30 = 31,647.40 : x
  2. Step 2: Convert to fraction form
    48,171.40/72,246.30 = 31,647.40/x
  3. Step 3: Cross multiply
    48,171.40x = 72,246.30 × 31,647.40
  4. Step 4: Simplify right side
    48,171.40x = 2,286,407,554.62
  5. Step 5: Solve for x
    x = 2,286,407,554.62/48,171.40
  6. Step 6: Final answer
    x = 47,464.00

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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.