Home / 37,851.40-56,783.10-12,893.80

Finding the Fourth Proportional to 37,851.40, 56,783.10 and 12,893.80

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Solution

The fourth proportional to 37,851.40, 56,783.10 and 12,893.80 is: 19,342.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,851.40 : 56,783.10 = 12,893.80 : x
  2. Step 2: Convert to fraction form
    37,851.40/56,783.10 = 12,893.80/x
  3. Step 3: Cross multiply
    37,851.40x = 56,783.10 × 12,893.80
  4. Step 4: Simplify right side
    37,851.40x = 732,149,934.78
  5. Step 5: Solve for x
    x = 732,149,934.78/37,851.40
  6. Step 6: Final answer
    x = 19,342.74

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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.