Home / 64,901.18-89,563.43-36,220.53

Finding the Fourth Proportional to 64,901.18, 89,563.43 and 36,220.53

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Solution

The fourth proportional to 64,901.18, 89,563.43 and 36,220.53 is: 49,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,901.18 : 89,563.43 = 36,220.53 : x
  2. Step 2: Convert to fraction form
    64,901.18/89,563.43 = 36,220.53/x
  3. Step 3: Cross multiply
    64,901.18x = 89,563.43 × 36,220.53
  4. Step 4: Simplify right side
    64,901.18x = 3,244,035,329.63
  5. Step 5: Solve for x
    x = 3,244,035,329.63/64,901.18
  6. Step 6: Final answer
    x = 49,984.23

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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.