Home / 47,298.57-70,945.80-11,759.15

Finding the Fourth Proportional to 47,298.57, 70,945.80 and 11,759.15

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Solution

The fourth proportional to 47,298.57, 70,945.80 and 11,759.15 is: 17,638.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,298.57 : 70,945.80 = 11,759.15 : x
  2. Step 2: Convert to fraction form
    47,298.57/70,945.80 = 11,759.15/x
  3. Step 3: Cross multiply
    47,298.57x = 70,945.80 × 11,759.15
  4. Step 4: Simplify right side
    47,298.57x = 834,262,304.07
  5. Step 5: Solve for x
    x = 834,262,304.07/47,298.57
  6. Step 6: Final answer
    x = 17,638.21

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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.