Home / 42,008.36-63,021.18-28,866.92

Finding the Fourth Proportional to 42,008.36, 63,021.18 and 28,866.92

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Solution

The fourth proportional to 42,008.36, 63,021.18 and 28,866.92 is: 43,306.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,008.36 : 63,021.18 = 28,866.92 : x
  2. Step 2: Convert to fraction form
    42,008.36/63,021.18 = 28,866.92/x
  3. Step 3: Cross multiply
    42,008.36x = 63,021.18 × 28,866.92
  4. Step 4: Simplify right side
    42,008.36x = 1,819,227,361.37
  5. Step 5: Solve for x
    x = 1,819,227,361.37/42,008.36
  6. Step 6: Final answer
    x = 43,306.32

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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.