Home / 35,632.40-53,346.20-21,808.40

Finding the Fourth Proportional to 35,632.40, 53,346.20 and 21,808.40

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Solution

The fourth proportional to 35,632.40, 53,346.20 and 21,808.40 is: 32,649.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,632.40 : 53,346.20 = 21,808.40 : x
  2. Step 2: Convert to fraction form
    35,632.40/53,346.20 = 21,808.40/x
  3. Step 3: Cross multiply
    35,632.40x = 53,346.20 × 21,808.40
  4. Step 4: Simplify right side
    35,632.40x = 1,163,395,268.08
  5. Step 5: Solve for x
    x = 1,163,395,268.08/35,632.40
  6. Step 6: Final answer
    x = 32,649.93

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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.