Home / 42,903.09-64,350.54-26,254.55

Finding the Fourth Proportional to 42,903.09, 64,350.54 and 26,254.55

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Solution

The fourth proportional to 42,903.09, 64,350.54 and 26,254.55 is: 39,379.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,903.09 : 64,350.54 = 26,254.55 : x
  2. Step 2: Convert to fraction form
    42,903.09/64,350.54 = 26,254.55/x
  3. Step 3: Cross multiply
    42,903.09x = 64,350.54 × 26,254.55
  4. Step 4: Simplify right side
    42,903.09x = 1,689,494,630.83
  5. Step 5: Solve for x
    x = 1,689,494,630.83/42,903.09
  6. Step 6: Final answer
    x = 39,379.32

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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.