Home / 64,421.36-96,636.36-17,670.32

Finding the Fourth Proportional to 64,421.36, 96,636.36 and 17,670.32

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Solution

The fourth proportional to 64,421.36, 96,636.36 and 17,670.32 is: 26,506.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,421.36 : 96,636.36 = 17,670.32 : x
  2. Step 2: Convert to fraction form
    64,421.36/96,636.36 = 17,670.32/x
  3. Step 3: Cross multiply
    64,421.36x = 96,636.36 × 17,670.32
  4. Step 4: Simplify right side
    64,421.36x = 1,707,595,404.84
  5. Step 5: Solve for x
    x = 1,707,595,404.84/64,421.36
  6. Step 6: Final answer
    x = 26,506.66

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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.