Home / 42,563.70-63,733.95-30,015.72

Finding the Fourth Proportional to 42,563.70, 63,733.95 and 30,015.72

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Solution

The fourth proportional to 42,563.70, 63,733.95 and 30,015.72 is: 44,944.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,563.70 : 63,733.95 = 30,015.72 : x
  2. Step 2: Convert to fraction form
    42,563.70/63,733.95 = 30,015.72/x
  3. Step 3: Cross multiply
    42,563.70x = 63,733.95 × 30,015.72
  4. Step 4: Simplify right side
    42,563.70x = 1,913,020,397.69
  5. Step 5: Solve for x
    x = 1,913,020,397.69/42,563.70
  6. Step 6: Final answer
    x = 44,944.88

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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.