Home / 64,215.12-88,615.56-35,921.04

Finding the Fourth Proportional to 64,215.12, 88,615.56 and 35,921.04

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Solution

The fourth proportional to 64,215.12, 88,615.56 and 35,921.04 is: 49,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,215.12 : 88,615.56 = 35,921.04 : x
  2. Step 2: Convert to fraction form
    64,215.12/88,615.56 = 35,921.04/x
  3. Step 3: Cross multiply
    64,215.12x = 88,615.56 × 35,921.04
  4. Step 4: Simplify right side
    64,215.12x = 3,183,163,075.38
  5. Step 5: Solve for x
    x = 3,183,163,075.38/64,215.12
  6. Step 6: Final answer
    x = 49,570.30

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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.