Home / 64,955.12-97,436.36-18,211.64

Finding the Fourth Proportional to 64,955.12, 97,436.36 and 18,211.64

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Solution

The fourth proportional to 64,955.12, 97,436.36 and 18,211.64 is: 27,318.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,955.12 : 97,436.36 = 18,211.64 : x
  2. Step 2: Convert to fraction form
    64,955.12/97,436.36 = 18,211.64/x
  3. Step 3: Cross multiply
    64,955.12x = 97,436.36 × 18,211.64
  4. Step 4: Simplify right side
    64,955.12x = 1,774,475,911.23
  5. Step 5: Solve for x
    x = 1,774,475,911.23/64,955.12
  6. Step 6: Final answer
    x = 27,318.49

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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.