Home / 64,696.32-97,012.08-20,322.50

Finding the Fourth Proportional to 64,696.32, 97,012.08 and 20,322.50

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Solution

The fourth proportional to 64,696.32, 97,012.08 and 20,322.50 is: 30,473.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,696.32 : 97,012.08 = 20,322.50 : x
  2. Step 2: Convert to fraction form
    64,696.32/97,012.08 = 20,322.50/x
  3. Step 3: Cross multiply
    64,696.32x = 97,012.08 × 20,322.50
  4. Step 4: Simplify right side
    64,696.32x = 1,971,527,510.74
  5. Step 5: Solve for x
    x = 1,971,527,510.74/64,696.32
  6. Step 6: Final answer
    x = 30,473.56

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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.