Home / 43,114.02-64,649.29-13,122.51

Finding the Fourth Proportional to 43,114.02, 64,649.29 and 13,122.51

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Solution

The fourth proportional to 43,114.02, 64,649.29 and 13,122.51 is: 19,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,114.02 : 64,649.29 = 13,122.51 : x
  2. Step 2: Convert to fraction form
    43,114.02/64,649.29 = 13,122.51/x
  3. Step 3: Cross multiply
    43,114.02x = 64,649.29 × 13,122.51
  4. Step 4: Simplify right side
    43,114.02x = 848,360,954.52
  5. Step 5: Solve for x
    x = 848,360,954.52/43,114.02
  6. Step 6: Final answer
    x = 19,677.15

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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.