Home / 39,648.64-59,455.68-13,346.32

Finding the Fourth Proportional to 39,648.64, 59,455.68 and 13,346.32

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Solution

The fourth proportional to 39,648.64, 59,455.68 and 13,346.32 is: 20,013.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,648.64 : 59,455.68 = 13,346.32 : x
  2. Step 2: Convert to fraction form
    39,648.64/59,455.68 = 13,346.32/x
  3. Step 3: Cross multiply
    39,648.64x = 59,455.68 × 13,346.32
  4. Step 4: Simplify right side
    39,648.64x = 793,514,531.10
  5. Step 5: Solve for x
    x = 793,514,531.10/39,648.64
  6. Step 6: Final answer
    x = 20,013.66

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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.