Home / 42,634.60-63,970.32-22,890.10

Finding the Fourth Proportional to 42,634.60, 63,970.32 and 22,890.10

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Solution

The fourth proportional to 42,634.60, 63,970.32 and 22,890.10 is: 34,345.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,634.60 : 63,970.32 = 22,890.10 : x
  2. Step 2: Convert to fraction form
    42,634.60/63,970.32 = 22,890.10/x
  3. Step 3: Cross multiply
    42,634.60x = 63,970.32 × 22,890.10
  4. Step 4: Simplify right side
    42,634.60x = 1,464,287,021.83
  5. Step 5: Solve for x
    x = 1,464,287,021.83/42,634.60
  6. Step 6: Final answer
    x = 34,345.04

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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.