Home / 35,122.59-48,462.89-20,775.29

Finding the Fourth Proportional to 35,122.59, 48,462.89 and 20,775.29

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Solution

The fourth proportional to 35,122.59, 48,462.89 and 20,775.29 is: 28,666.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,122.59 : 48,462.89 = 20,775.29 : x
  2. Step 2: Convert to fraction form
    35,122.59/48,462.89 = 20,775.29/x
  3. Step 3: Cross multiply
    35,122.59x = 48,462.89 × 20,775.29
  4. Step 4: Simplify right side
    35,122.59x = 1,006,830,247.80
  5. Step 5: Solve for x
    x = 1,006,830,247.80/35,122.59
  6. Step 6: Final answer
    x = 28,666.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.