Home / 42,579,428.56-58,759,635.72-23,000,316.88

Finding the Fourth Proportional to 42,579,428.56, 58,759,635.72 and 23,000,316.88

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Solution

The fourth proportional to 42,579,428.56, 58,759,635.72 and 23,000,316.88 is: 31,740,450.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,579,428.56 : 58,759,635.72 = 23,000,316.88 : x
  2. Step 2: Convert to fraction form
    42,579,428.56/58,759,635.72 = 23,000,316.88/x
  3. Step 3: Cross multiply
    42,579,428.56x = 58,759,635.72 × 23,000,316.88
  4. Step 4: Simplify right side
    42,579,428.56x = 1,351,490,241,313,366.75
  5. Step 5: Solve for x
    x = 1,351,490,241,313,366.75/42,579,428.56
  6. Step 6: Final answer
    x = 31,740,450.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.