Home / 40,363.30-55,631.37-38,030.50

Finding the Fourth Proportional to 40,363.30, 55,631.37 and 38,030.50

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Solution

The fourth proportional to 40,363.30, 55,631.37 and 38,030.50 is: 52,416.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,363.30 : 55,631.37 = 38,030.50 : x
  2. Step 2: Convert to fraction form
    40,363.30/55,631.37 = 38,030.50/x
  3. Step 3: Cross multiply
    40,363.30x = 55,631.37 × 38,030.50
  4. Step 4: Simplify right side
    40,363.30x = 2,115,688,816.79
  5. Step 5: Solve for x
    x = 2,115,688,816.79/40,363.30
  6. Step 6: Final answer
    x = 52,416.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.