Home / 35,525.40-53,288.10-20,726.70

Finding the Fourth Proportional to 35,525.40, 53,288.10 and 20,726.70

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Solution

The fourth proportional to 35,525.40, 53,288.10 and 20,726.70 is: 31,090.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,525.40 : 53,288.10 = 20,726.70 : x
  2. Step 2: Convert to fraction form
    35,525.40/53,288.10 = 20,726.70/x
  3. Step 3: Cross multiply
    35,525.40x = 53,288.10 × 20,726.70
  4. Step 4: Simplify right side
    35,525.40x = 1,104,486,462.27
  5. Step 5: Solve for x
    x = 1,104,486,462.27/35,525.40
  6. Step 6: Final answer
    x = 31,090.05

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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.