Home / 42,672.10-63,956.31-30,195.77

Finding the Fourth Proportional to 42,672.10, 63,956.31 and 30,195.77

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Solution

The fourth proportional to 42,672.10, 63,956.31 and 30,195.77 is: 45,256.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,672.10 : 63,956.31 = 30,195.77 : x
  2. Step 2: Convert to fraction form
    42,672.10/63,956.31 = 30,195.77/x
  3. Step 3: Cross multiply
    42,672.10x = 63,956.31 × 30,195.77
  4. Step 4: Simplify right side
    42,672.10x = 1,931,210,026.81
  5. Step 5: Solve for x
    x = 1,931,210,026.81/42,672.10
  6. Step 6: Final answer
    x = 45,256.97

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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.