Home / 42,606.21-63,886.93-18,903.49

Finding the Fourth Proportional to 42,606.21, 63,886.93 and 18,903.49

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Solution

The fourth proportional to 42,606.21, 63,886.93 and 18,903.49 is: 28,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,606.21 : 63,886.93 = 18,903.49 : x
  2. Step 2: Convert to fraction form
    42,606.21/63,886.93 = 18,903.49/x
  3. Step 3: Cross multiply
    42,606.21x = 63,886.93 × 18,903.49
  4. Step 4: Simplify right side
    42,606.21x = 1,207,685,806.30
  5. Step 5: Solve for x
    x = 1,207,685,806.30/42,606.21
  6. Step 6: Final answer
    x = 28,345.30

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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.