Home / 42,421.08-63,641.82-29,965.32

Finding the Fourth Proportional to 42,421.08, 63,641.82 and 29,965.32

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Solution

The fourth proportional to 42,421.08, 63,641.82 and 29,965.32 is: 44,955.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,421.08 : 63,641.82 = 29,965.32 : x
  2. Step 2: Convert to fraction form
    42,421.08/63,641.82 = 29,965.32/x
  3. Step 3: Cross multiply
    42,421.08x = 63,641.82 × 29,965.32
  4. Step 4: Simplify right side
    42,421.08x = 1,907,047,501.68
  5. Step 5: Solve for x
    x = 1,907,047,501.68/42,421.08
  6. Step 6: Final answer
    x = 44,955.19

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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.