Home / 42,023.79-63,038.25-13,563.63

Finding the Fourth Proportional to 42,023.79, 63,038.25 and 13,563.63

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Solution

The fourth proportional to 42,023.79, 63,038.25 and 13,563.63 is: 20,346.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,023.79 : 63,038.25 = 13,563.63 : x
  2. Step 2: Convert to fraction form
    42,023.79/63,038.25 = 13,563.63/x
  3. Step 3: Cross multiply
    42,023.79x = 63,038.25 × 13,563.63
  4. Step 4: Simplify right side
    42,023.79x = 855,027,498.85
  5. Step 5: Solve for x
    x = 855,027,498.85/42,023.79
  6. Step 6: Final answer
    x = 20,346.27

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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.