Home / 47,017.66-70,508.73-18,928.15

Finding the Fourth Proportional to 47,017.66, 70,508.73 and 18,928.15

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Solution

The fourth proportional to 47,017.66, 70,508.73 and 18,928.15 is: 28,385.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,017.66 : 70,508.73 = 18,928.15 : x
  2. Step 2: Convert to fraction form
    47,017.66/70,508.73 = 18,928.15/x
  3. Step 3: Cross multiply
    47,017.66x = 70,508.73 × 18,928.15
  4. Step 4: Simplify right side
    47,017.66x = 1,334,599,817.75
  5. Step 5: Solve for x
    x = 1,334,599,817.75/47,017.66
  6. Step 6: Final answer
    x = 28,385.08

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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.