Home / 64,723.28-97,085.56-17,976.40

Finding the Fourth Proportional to 64,723.28, 97,085.56 and 17,976.40

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Solution

The fourth proportional to 64,723.28, 97,085.56 and 17,976.40 is: 26,964.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,723.28 : 97,085.56 = 17,976.40 : x
  2. Step 2: Convert to fraction form
    64,723.28/97,085.56 = 17,976.40/x
  3. Step 3: Cross multiply
    64,723.28x = 97,085.56 × 17,976.40
  4. Step 4: Simplify right side
    64,723.28x = 1,745,248,860.78
  5. Step 5: Solve for x
    x = 1,745,248,860.78/64,723.28
  6. Step 6: Final answer
    x = 26,964.78

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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.