Home / 42,915.12-64,324.08-23,202.96

Finding the Fourth Proportional to 42,915.12, 64,324.08 and 23,202.96

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Solution

The fourth proportional to 42,915.12, 64,324.08 and 23,202.96 is: 34,778.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,915.12 : 64,324.08 = 23,202.96 : x
  2. Step 2: Convert to fraction form
    42,915.12/64,324.08 = 23,202.96/x
  3. Step 3: Cross multiply
    42,915.12x = 64,324.08 × 23,202.96
  4. Step 4: Simplify right side
    42,915.12x = 1,492,509,055.28
  5. Step 5: Solve for x
    x = 1,492,509,055.28/42,915.12
  6. Step 6: Final answer
    x = 34,778.16

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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.