Home / 45,055.35-67,202.19-42,453.63

Finding the Fourth Proportional to 45,055.35, 67,202.19 and 42,453.63

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Solution

The fourth proportional to 45,055.35, 67,202.19 and 42,453.63 is: 63,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,055.35 : 67,202.19 = 42,453.63 : x
  2. Step 2: Convert to fraction form
    45,055.35/67,202.19 = 42,453.63/x
  3. Step 3: Cross multiply
    45,055.35x = 67,202.19 × 42,453.63
  4. Step 4: Simplify right side
    45,055.35x = 2,852,976,909.45
  5. Step 5: Solve for x
    x = 2,852,976,909.45/45,055.35
  6. Step 6: Final answer
    x = 63,321.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.