Home / 42,385.19-63,577.32-10,364.54

Finding the Fourth Proportional to 42,385.19, 63,577.32 and 10,364.54

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Solution

The fourth proportional to 42,385.19, 63,577.32 and 10,364.54 is: 15,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,385.19 : 63,577.32 = 10,364.54 : x
  2. Step 2: Convert to fraction form
    42,385.19/63,577.32 = 10,364.54/x
  3. Step 3: Cross multiply
    42,385.19x = 63,577.32 × 10,364.54
  4. Step 4: Simplify right side
    42,385.19x = 658,949,676.23
  5. Step 5: Solve for x
    x = 658,949,676.23/42,385.19
  6. Step 6: Final answer
    x = 15,546.70

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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.