Home / 64,743.63-89,325.36-39,260.22

Finding the Fourth Proportional to 64,743.63, 89,325.36 and 39,260.22

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Solution

The fourth proportional to 64,743.63, 89,325.36 and 39,260.22 is: 54,166.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,743.63 : 89,325.36 = 39,260.22 : x
  2. Step 2: Convert to fraction form
    64,743.63/89,325.36 = 39,260.22/x
  3. Step 3: Cross multiply
    64,743.63x = 89,325.36 × 39,260.22
  4. Step 4: Simplify right side
    64,743.63x = 3,506,933,285.18
  5. Step 5: Solve for x
    x = 3,506,933,285.18/64,743.63
  6. Step 6: Final answer
    x = 54,166.46

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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.