Home / 64,884.66-89,547.08-39,385.14

Finding the Fourth Proportional to 64,884.66, 89,547.08 and 39,385.14

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Solution

The fourth proportional to 64,884.66, 89,547.08 and 39,385.14 is: 54,355.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,884.66 : 89,547.08 = 39,385.14 : x
  2. Step 2: Convert to fraction form
    64,884.66/89,547.08 = 39,385.14/x
  3. Step 3: Cross multiply
    64,884.66x = 89,547.08 × 39,385.14
  4. Step 4: Simplify right side
    64,884.66x = 3,526,824,282.39
  5. Step 5: Solve for x
    x = 3,526,824,282.39/64,884.66
  6. Step 6: Final answer
    x = 54,355.29

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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.