Home / 47,473.20-71,209.80-12,416.40

Finding the Fourth Proportional to 47,473.20, 71,209.80 and 12,416.40

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Solution

The fourth proportional to 47,473.20, 71,209.80 and 12,416.40 is: 18,624.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,473.20 : 71,209.80 = 12,416.40 : x
  2. Step 2: Convert to fraction form
    47,473.20/71,209.80 = 12,416.40/x
  3. Step 3: Cross multiply
    47,473.20x = 71,209.80 × 12,416.40
  4. Step 4: Simplify right side
    47,473.20x = 884,169,360.72
  5. Step 5: Solve for x
    x = 884,169,360.72/47,473.20
  6. Step 6: Final answer
    x = 18,624.60

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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.