Home / 56,421.64-84,615.40-16,968.28

Finding the Fourth Proportional to 56,421.64, 84,615.40 and 16,968.28

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Solution

The fourth proportional to 56,421.64, 84,615.40 and 16,968.28 is: 25,447.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,421.64 : 84,615.40 = 16,968.28 : x
  2. Step 2: Convert to fraction form
    56,421.64/84,615.40 = 16,968.28/x
  3. Step 3: Cross multiply
    56,421.64x = 84,615.40 × 16,968.28
  4. Step 4: Simplify right side
    56,421.64x = 1,435,777,799.51
  5. Step 5: Solve for x
    x = 1,435,777,799.51/56,421.64
  6. Step 6: Final answer
    x = 25,447.29

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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.