Home / 45,196.32-67,779.36-18,896.16

Finding the Fourth Proportional to 45,196.32, 67,779.36 and 18,896.16

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Solution

The fourth proportional to 45,196.32, 67,779.36 and 18,896.16 is: 28,337.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,196.32 : 67,779.36 = 18,896.16 : x
  2. Step 2: Convert to fraction form
    45,196.32/67,779.36 = 18,896.16/x
  3. Step 3: Cross multiply
    45,196.32x = 67,779.36 × 18,896.16
  4. Step 4: Simplify right side
    45,196.32x = 1,280,769,631.26
  5. Step 5: Solve for x
    x = 1,280,769,631.26/45,196.32
  6. Step 6: Final answer
    x = 28,337.92

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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.