Home / 64,850.16-97,287.06-31,570.32

Finding the Fourth Proportional to 64,850.16, 97,287.06 and 31,570.32

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Solution

The fourth proportional to 64,850.16, 97,287.06 and 31,570.32 is: 47,361.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,850.16 : 97,287.06 = 31,570.32 : x
  2. Step 2: Convert to fraction form
    64,850.16/97,287.06 = 31,570.32/x
  3. Step 3: Cross multiply
    64,850.16x = 97,287.06 × 31,570.32
  4. Step 4: Simplify right side
    64,850.16x = 3,071,383,616.06
  5. Step 5: Solve for x
    x = 3,071,383,616.06/64,850.16
  6. Step 6: Final answer
    x = 47,361.23

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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.