Home / 35,525.20-53,381.40-19,742.80

Finding the Fourth Proportional to 35,525.20, 53,381.40 and 19,742.80

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Solution

The fourth proportional to 35,525.20, 53,381.40 and 19,742.80 is: 29,666.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,525.20 : 53,381.40 = 19,742.80 : x
  2. Step 2: Convert to fraction form
    35,525.20/53,381.40 = 19,742.80/x
  3. Step 3: Cross multiply
    35,525.20x = 53,381.40 × 19,742.80
  4. Step 4: Simplify right side
    35,525.20x = 1,053,898,303.92
  5. Step 5: Solve for x
    x = 1,053,898,303.92/35,525.20
  6. Step 6: Final answer
    x = 29,666.22

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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.