Home / 70,407.23-105,611.06-17,816.70

Finding the Fourth Proportional to 70,407.23, 105,611.06 and 17,816.70

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Solution

The fourth proportional to 70,407.23, 105,611.06 and 17,816.70 is: 26,725.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,407.23 : 105,611.06 = 17,816.70 : x
  2. Step 2: Convert to fraction form
    70,407.23/105,611.06 = 17,816.70/x
  3. Step 3: Cross multiply
    70,407.23x = 105,611.06 × 17,816.70
  4. Step 4: Simplify right side
    70,407.23x = 1,881,640,483.62
  5. Step 5: Solve for x
    x = 1,881,640,483.62/70,407.23
  6. Step 6: Final answer
    x = 26,725.11

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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.