Home / 43,324.09-64,985.62-13,742.18

Finding the Fourth Proportional to 43,324.09, 64,985.62 and 13,742.18

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Solution

The fourth proportional to 43,324.09, 64,985.62 and 13,742.18 is: 20,613.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,324.09 : 64,985.62 = 13,742.18 : x
  2. Step 2: Convert to fraction form
    43,324.09/64,985.62 = 13,742.18/x
  3. Step 3: Cross multiply
    43,324.09x = 64,985.62 × 13,742.18
  4. Step 4: Simplify right side
    43,324.09x = 893,043,937.51
  5. Step 5: Solve for x
    x = 893,043,937.51/43,324.09
  6. Step 6: Final answer
    x = 20,613.10

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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.