Home / 42,917.36-64,298.84-40,385.15

Finding the Fourth Proportional to 42,917.36, 64,298.84 and 40,385.15

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Solution

The fourth proportional to 42,917.36, 64,298.84 and 40,385.15 is: 60,505.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,917.36 : 64,298.84 = 40,385.15 : x
  2. Step 2: Convert to fraction form
    42,917.36/64,298.84 = 40,385.15/x
  3. Step 3: Cross multiply
    42,917.36x = 64,298.84 × 40,385.15
  4. Step 4: Simplify right side
    42,917.36x = 2,596,718,298.23
  5. Step 5: Solve for x
    x = 2,596,718,298.23/42,917.36
  6. Step 6: Final answer
    x = 60,505.08

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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.