Home / 64,542.84-89,058.66-40,340.94

Finding the Fourth Proportional to 64,542.84, 89,058.66 and 40,340.94

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Solution

The fourth proportional to 64,542.84, 89,058.66 and 40,340.94 is: 55,663.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,542.84 : 89,058.66 = 40,340.94 : x
  2. Step 2: Convert to fraction form
    64,542.84/89,058.66 = 40,340.94/x
  3. Step 3: Cross multiply
    64,542.84x = 89,058.66 × 40,340.94
  4. Step 4: Simplify right side
    64,542.84x = 3,592,710,059.54
  5. Step 5: Solve for x
    x = 3,592,710,059.54/64,542.84
  6. Step 6: Final answer
    x = 55,663.96

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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.