Home / 42,055.38-63,093.70-13,975.58

Finding the Fourth Proportional to 42,055.38, 63,093.70 and 13,975.58

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Solution

The fourth proportional to 42,055.38, 63,093.70 and 13,975.58 is: 20,966.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,055.38 : 63,093.70 = 13,975.58 : x
  2. Step 2: Convert to fraction form
    42,055.38/63,093.70 = 13,975.58/x
  3. Step 3: Cross multiply
    42,055.38x = 63,093.70 × 13,975.58
  4. Step 4: Simplify right side
    42,055.38x = 881,771,051.85
  5. Step 5: Solve for x
    x = 881,771,051.85/42,055.38
  6. Step 6: Final answer
    x = 20,966.90

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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.