Home / 47,270.07-70,897.82-20,970.18

Finding the Fourth Proportional to 47,270.07, 70,897.82 and 20,970.18

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Solution

The fourth proportional to 47,270.07, 70,897.82 and 20,970.18 is: 31,452.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,270.07 : 70,897.82 = 20,970.18 : x
  2. Step 2: Convert to fraction form
    47,270.07/70,897.82 = 20,970.18/x
  3. Step 3: Cross multiply
    47,270.07x = 70,897.82 × 20,970.18
  4. Step 4: Simplify right side
    47,270.07x = 1,486,739,942.16
  5. Step 5: Solve for x
    x = 1,486,739,942.16/47,270.07
  6. Step 6: Final answer
    x = 31,452.04

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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.