Home / 64,972.40-97,458.62-15,724.40

Finding the Fourth Proportional to 64,972.40, 97,458.62 and 15,724.40

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Solution

The fourth proportional to 64,972.40, 97,458.62 and 15,724.40 is: 23,586.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,972.40 : 97,458.62 = 15,724.40 : x
  2. Step 2: Convert to fraction form
    64,972.40/97,458.62 = 15,724.40/x
  3. Step 3: Cross multiply
    64,972.40x = 97,458.62 × 15,724.40
  4. Step 4: Simplify right side
    64,972.40x = 1,532,477,758.41
  5. Step 5: Solve for x
    x = 1,532,477,758.41/64,972.40
  6. Step 6: Final answer
    x = 23,586.60

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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.