Home / 47,211.75-70,817.67-19,510.47

Finding the Fourth Proportional to 47,211.75, 70,817.67 and 19,510.47

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Solution

The fourth proportional to 47,211.75, 70,817.67 and 19,510.47 is: 29,265.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,211.75 : 70,817.67 = 19,510.47 : x
  2. Step 2: Convert to fraction form
    47,211.75/70,817.67 = 19,510.47/x
  3. Step 3: Cross multiply
    47,211.75x = 70,817.67 × 19,510.47
  4. Step 4: Simplify right side
    47,211.75x = 1,381,686,026.00
  5. Step 5: Solve for x
    x = 1,381,686,026.00/47,211.75
  6. Step 6: Final answer
    x = 29,265.72

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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.