Home / 35,371.05-52,967.84-21,130.74

Finding the Fourth Proportional to 35,371.05, 52,967.84 and 21,130.74

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Solution

The fourth proportional to 35,371.05, 52,967.84 and 21,130.74 is: 31,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,371.05 : 52,967.84 = 21,130.74 : x
  2. Step 2: Convert to fraction form
    35,371.05/52,967.84 = 21,130.74/x
  3. Step 3: Cross multiply
    35,371.05x = 52,967.84 × 21,130.74
  4. Step 4: Simplify right side
    35,371.05x = 1,119,249,684.56
  5. Step 5: Solve for x
    x = 1,119,249,684.56/35,371.05
  6. Step 6: Final answer
    x = 31,643.10

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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.