Home / 64,585.34-89,116.36-39,442.94

Finding the Fourth Proportional to 64,585.34, 89,116.36 and 39,442.94

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Solution

The fourth proportional to 64,585.34, 89,116.36 and 39,442.94 is: 54,424.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,585.34 : 89,116.36 = 39,442.94 : x
  2. Step 2: Convert to fraction form
    64,585.34/89,116.36 = 39,442.94/x
  3. Step 3: Cross multiply
    64,585.34x = 89,116.36 × 39,442.94
  4. Step 4: Simplify right side
    64,585.34x = 3,515,010,696.31
  5. Step 5: Solve for x
    x = 3,515,010,696.31/64,585.34
  6. Step 6: Final answer
    x = 54,424.29

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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.