Home / 42,877.96-64,303.30-40,079.31

Finding the Fourth Proportional to 42,877.96, 64,303.30 and 40,079.31

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Solution

The fourth proportional to 42,877.96, 64,303.30 and 40,079.31 is: 60,106.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,877.96 : 64,303.30 = 40,079.31 : x
  2. Step 2: Convert to fraction form
    42,877.96/64,303.30 = 40,079.31/x
  3. Step 3: Cross multiply
    42,877.96x = 64,303.30 × 40,079.31
  4. Step 4: Simplify right side
    42,877.96x = 2,577,231,703.68
  5. Step 5: Solve for x
    x = 2,577,231,703.68/42,877.96
  6. Step 6: Final answer
    x = 60,106.21

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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.