Home / 64,626.42-96,939.63-17,878.08

Finding the Fourth Proportional to 64,626.42, 96,939.63 and 17,878.08

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Solution

The fourth proportional to 64,626.42, 96,939.63 and 17,878.08 is: 26,817.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,626.42 : 96,939.63 = 17,878.08 : x
  2. Step 2: Convert to fraction form
    64,626.42/96,939.63 = 17,878.08/x
  3. Step 3: Cross multiply
    64,626.42x = 96,939.63 × 17,878.08
  4. Step 4: Simplify right side
    64,626.42x = 1,733,094,460.31
  5. Step 5: Solve for x
    x = 1,733,094,460.31/64,626.42
  6. Step 6: Final answer
    x = 26,817.12

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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.