Home / 37,430.40-56,145.60-20,841.60

Finding the Fourth Proportional to 37,430.40, 56,145.60 and 20,841.60

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Solution

The fourth proportional to 37,430.40, 56,145.60 and 20,841.60 is: 31,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,430.40 : 56,145.60 = 20,841.60 : x
  2. Step 2: Convert to fraction form
    37,430.40/56,145.60 = 20,841.60/x
  3. Step 3: Cross multiply
    37,430.40x = 56,145.60 × 20,841.60
  4. Step 4: Simplify right side
    37,430.40x = 1,170,164,136.96
  5. Step 5: Solve for x
    x = 1,170,164,136.96/37,430.40
  6. Step 6: Final answer
    x = 31,262.40

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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.