Home / 60,964.32-91,448.48-20,982.88

Finding the Fourth Proportional to 60,964.32, 91,448.48 and 20,982.88

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Solution

The fourth proportional to 60,964.32, 91,448.48 and 20,982.88 is: 31,475.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,964.32 : 91,448.48 = 20,982.88 : x
  2. Step 2: Convert to fraction form
    60,964.32/91,448.48 = 20,982.88/x
  3. Step 3: Cross multiply
    60,964.32x = 91,448.48 × 20,982.88
  4. Step 4: Simplify right side
    60,964.32x = 1,918,852,482.02
  5. Step 5: Solve for x
    x = 1,918,852,482.02/60,964.32
  6. Step 6: Final answer
    x = 31,475.01

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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.