Home / 35,140.88-52,703.71-11,127.08

Finding the Fourth Proportional to 35,140.88, 52,703.71 and 11,127.08

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Solution

The fourth proportional to 35,140.88, 52,703.71 and 11,127.08 is: 16,688.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,140.88 : 52,703.71 = 11,127.08 : x
  2. Step 2: Convert to fraction form
    35,140.88/52,703.71 = 11,127.08/x
  3. Step 3: Cross multiply
    35,140.88x = 52,703.71 × 11,127.08
  4. Step 4: Simplify right side
    35,140.88x = 586,438,397.47
  5. Step 5: Solve for x
    x = 586,438,397.47/35,140.88
  6. Step 6: Final answer
    x = 16,688.21

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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.