Home / 42,324.10-63,490.47-14,618.50

Finding the Fourth Proportional to 42,324.10, 63,490.47 and 14,618.50

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Solution

The fourth proportional to 42,324.10, 63,490.47 and 14,618.50 is: 21,929.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,324.10 : 63,490.47 = 14,618.50 : x
  2. Step 2: Convert to fraction form
    42,324.10/63,490.47 = 14,618.50/x
  3. Step 3: Cross multiply
    42,324.10x = 63,490.47 × 14,618.50
  4. Step 4: Simplify right side
    42,324.10x = 928,135,435.70
  5. Step 5: Solve for x
    x = 928,135,435.70/42,324.10
  6. Step 6: Final answer
    x = 21,929.24

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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.