Home / 37,955.39-56,894.97-12,978.35

Finding the Fourth Proportional to 37,955.39, 56,894.97 and 12,978.35

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Solution

The fourth proportional to 37,955.39, 56,894.97 and 12,978.35 is: 19,454.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,955.39 : 56,894.97 = 12,978.35 : x
  2. Step 2: Convert to fraction form
    37,955.39/56,894.97 = 12,978.35/x
  3. Step 3: Cross multiply
    37,955.39x = 56,894.97 × 12,978.35
  4. Step 4: Simplify right side
    37,955.39x = 738,403,024.81
  5. Step 5: Solve for x
    x = 738,403,024.81/37,955.39
  6. Step 6: Final answer
    x = 19,454.50

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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.