Home / 42,015.24-57,981.06-23,152.32

Finding the Fourth Proportional to 42,015.24, 57,981.06 and 23,152.32

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Solution

The fourth proportional to 42,015.24, 57,981.06 and 23,152.32 is: 31,950.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,015.24 : 57,981.06 = 23,152.32 : x
  2. Step 2: Convert to fraction form
    42,015.24/57,981.06 = 23,152.32/x
  3. Step 3: Cross multiply
    42,015.24x = 57,981.06 × 23,152.32
  4. Step 4: Simplify right side
    42,015.24x = 1,342,396,055.06
  5. Step 5: Solve for x
    x = 1,342,396,055.06/42,015.24
  6. Step 6: Final answer
    x = 31,950.22

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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.