Home / 37,854.86-56,782.28-12,897.54

Finding the Fourth Proportional to 37,854.86, 56,782.28 and 12,897.54

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Solution

The fourth proportional to 37,854.86, 56,782.28 and 12,897.54 is: 19,346.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,854.86 : 56,782.28 = 12,897.54 : x
  2. Step 2: Convert to fraction form
    37,854.86/56,782.28 = 12,897.54/x
  3. Step 3: Cross multiply
    37,854.86x = 56,782.28 × 12,897.54
  4. Step 4: Simplify right side
    37,854.86x = 732,351,759.84
  5. Step 5: Solve for x
    x = 732,351,759.84/37,854.86
  6. Step 6: Final answer
    x = 19,346.31

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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.