Home / 64,876.90-89,530.77-38,035.30

Finding the Fourth Proportional to 64,876.90, 89,530.77 and 38,035.30

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Solution

The fourth proportional to 64,876.90, 89,530.77 and 38,035.30 is: 52,489.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,876.90 : 89,530.77 = 38,035.30 : x
  2. Step 2: Convert to fraction form
    64,876.90/89,530.77 = 38,035.30/x
  3. Step 3: Cross multiply
    64,876.90x = 89,530.77 × 38,035.30
  4. Step 4: Simplify right side
    64,876.90x = 3,405,329,696.18
  5. Step 5: Solve for x
    x = 3,405,329,696.18/64,876.90
  6. Step 6: Final answer
    x = 52,489.09

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1.5x scale

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.