Home / 42,050.54-63,086.44-13,970.74

Finding the Fourth Proportional to 42,050.54, 63,086.44 and 13,970.74

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Solution

The fourth proportional to 42,050.54, 63,086.44 and 13,970.74 is: 20,959.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,050.54 : 63,086.44 = 13,970.74 : x
  2. Step 2: Convert to fraction form
    42,050.54/63,086.44 = 13,970.74/x
  3. Step 3: Cross multiply
    42,050.54x = 63,086.44 × 13,970.74
  4. Step 4: Simplify right side
    42,050.54x = 881,364,310.97
  5. Step 5: Solve for x
    x = 881,364,310.97/42,050.54
  6. Step 6: Final answer
    x = 20,959.64

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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.