Home / 42,885.40-64,189.86-22,080.28

Finding the Fourth Proportional to 42,885.40, 64,189.86 and 22,080.28

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Solution

The fourth proportional to 42,885.40, 64,189.86 and 22,080.28 is: 33,049.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,885.40 : 64,189.86 = 22,080.28 : x
  2. Step 2: Convert to fraction form
    42,885.40/64,189.86 = 22,080.28/x
  3. Step 3: Cross multiply
    42,885.40x = 64,189.86 × 22,080.28
  4. Step 4: Simplify right side
    42,885.40x = 1,417,330,081.96
  5. Step 5: Solve for x
    x = 1,417,330,081.96/42,885.40
  6. Step 6: Final answer
    x = 33,049.24

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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.