Home / 64,688.40-89,267.67-36,007.11

Finding the Fourth Proportional to 64,688.40, 89,267.67 and 36,007.11

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Solution

The fourth proportional to 64,688.40, 89,267.67 and 36,007.11 is: 49,688.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,688.40 : 89,267.67 = 36,007.11 : x
  2. Step 2: Convert to fraction form
    64,688.40/89,267.67 = 36,007.11/x
  3. Step 3: Cross multiply
    64,688.40x = 89,267.67 × 36,007.11
  4. Step 4: Simplify right side
    64,688.40x = 3,214,270,813.13
  5. Step 5: Solve for x
    x = 3,214,270,813.13/64,688.40
  6. Step 6: Final answer
    x = 49,688.52

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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.