Home / 70,346.23-105,506.45-19,055.88

Finding the Fourth Proportional to 70,346.23, 105,506.45 and 19,055.88

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Solution

The fourth proportional to 70,346.23, 105,506.45 and 19,055.88 is: 28,580.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,346.23 : 105,506.45 = 19,055.88 : x
  2. Step 2: Convert to fraction form
    70,346.23/105,506.45 = 19,055.88/x
  3. Step 3: Cross multiply
    70,346.23x = 105,506.45 × 19,055.88
  4. Step 4: Simplify right side
    70,346.23x = 2,010,518,250.43
  5. Step 5: Solve for x
    x = 2,010,518,250.43/70,346.23
  6. Step 6: Final answer
    x = 28,580.33

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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.