Home / 45,345.42-67,991.58-13,746.06

Finding the Fourth Proportional to 45,345.42, 67,991.58 and 13,746.06

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Solution

The fourth proportional to 45,345.42, 67,991.58 and 13,746.06 is: 20,611.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,345.42 : 67,991.58 = 13,746.06 : x
  2. Step 2: Convert to fraction form
    45,345.42/67,991.58 = 13,746.06/x
  3. Step 3: Cross multiply
    45,345.42x = 67,991.58 × 13,746.06
  4. Step 4: Simplify right side
    45,345.42x = 934,616,338.17
  5. Step 5: Solve for x
    x = 934,616,338.17/45,345.42
  6. Step 6: Final answer
    x = 20,611.04

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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.