Home / 45,202.02-67,802.67-13,611.93

Finding the Fourth Proportional to 45,202.02, 67,802.67 and 13,611.93

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Solution

The fourth proportional to 45,202.02, 67,802.67 and 13,611.93 is: 20,417.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,202.02 : 67,802.67 = 13,611.93 : x
  2. Step 2: Convert to fraction form
    45,202.02/67,802.67 = 13,611.93/x
  3. Step 3: Cross multiply
    45,202.02x = 67,802.67 × 13,611.93
  4. Step 4: Simplify right side
    45,202.02x = 922,925,197.85
  5. Step 5: Solve for x
    x = 922,925,197.85/45,202.02
  6. Step 6: Final answer
    x = 20,417.79

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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.