Home / 42,728.23-58,914.94-29,124.32

Finding the Fourth Proportional to 42,728.23, 58,914.94 and 29,124.32

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Solution

The fourth proportional to 42,728.23, 58,914.94 and 29,124.32 is: 40,157.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,728.23 : 58,914.94 = 29,124.32 : x
  2. Step 2: Convert to fraction form
    42,728.23/58,914.94 = 29,124.32/x
  3. Step 3: Cross multiply
    42,728.23x = 58,914.94 × 29,124.32
  4. Step 4: Simplify right side
    42,728.23x = 1,715,857,639.82
  5. Step 5: Solve for x
    x = 1,715,857,639.82/42,728.23
  6. Step 6: Final answer
    x = 40,157.48

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1.5x scale

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.