Home / 42,247.63-63,407.81-21,998.71

Finding the Fourth Proportional to 42,247.63, 63,407.81 and 21,998.71

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Solution

The fourth proportional to 42,247.63, 63,407.81 and 21,998.71 is: 33,017.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,247.63 : 63,407.81 = 21,998.71 : x
  2. Step 2: Convert to fraction form
    42,247.63/63,407.81 = 21,998.71/x
  3. Step 3: Cross multiply
    42,247.63x = 63,407.81 × 21,998.71
  4. Step 4: Simplify right side
    42,247.63x = 1,394,890,023.93
  5. Step 5: Solve for x
    x = 1,394,890,023.93/42,247.63
  6. Step 6: Final answer
    x = 33,017.00

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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.