Home / 42,219.36-63,318.24-15,916.32

Finding the Fourth Proportional to 42,219.36, 63,318.24 and 15,916.32

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Solution

The fourth proportional to 42,219.36, 63,318.24 and 15,916.32 is: 23,870.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,219.36 : 63,318.24 = 15,916.32 : x
  2. Step 2: Convert to fraction form
    42,219.36/63,318.24 = 15,916.32/x
  3. Step 3: Cross multiply
    42,219.36x = 63,318.24 × 15,916.32
  4. Step 4: Simplify right side
    42,219.36x = 1,007,793,369.68
  5. Step 5: Solve for x
    x = 1,007,793,369.68/42,219.36
  6. Step 6: Final answer
    x = 23,870.41

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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.