Home / 64,916.76-89,585.52-39,766.26

Finding the Fourth Proportional to 64,916.76, 89,585.52 and 39,766.26

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Solution

The fourth proportional to 64,916.76, 89,585.52 and 39,766.26 is: 54,877.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,916.76 : 89,585.52 = 39,766.26 : x
  2. Step 2: Convert to fraction form
    64,916.76/89,585.52 = 39,766.26/x
  3. Step 3: Cross multiply
    64,916.76x = 89,585.52 × 39,766.26
  4. Step 4: Simplify right side
    64,916.76x = 3,562,481,080.56
  5. Step 5: Solve for x
    x = 3,562,481,080.56/64,916.76
  6. Step 6: Final answer
    x = 54,877.68

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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.