Home / 42,420.50-63,620.24-14,339.93

Finding the Fourth Proportional to 42,420.50, 63,620.24 and 14,339.93

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Solution

The fourth proportional to 42,420.50, 63,620.24 and 14,339.93 is: 21,506.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,420.50 : 63,620.24 = 14,339.93 : x
  2. Step 2: Convert to fraction form
    42,420.50/63,620.24 = 14,339.93/x
  3. Step 3: Cross multiply
    42,420.50x = 63,620.24 × 14,339.93
  4. Step 4: Simplify right side
    42,420.50x = 912,309,716.48
  5. Step 5: Solve for x
    x = 912,309,716.48/42,420.50
  6. Step 6: Final answer
    x = 21,506.34

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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.