Home / 65,569.46-90,485.70-36,889.13

Finding the Fourth Proportional to 65,569.46, 90,485.70 and 36,889.13

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Solution

The fourth proportional to 65,569.46, 90,485.70 and 36,889.13 is: 50,906.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,569.46 : 90,485.70 = 36,889.13 : x
  2. Step 2: Convert to fraction form
    65,569.46/90,485.70 = 36,889.13/x
  3. Step 3: Cross multiply
    65,569.46x = 90,485.70 × 36,889.13
  4. Step 4: Simplify right side
    65,569.46x = 3,337,938,298.01
  5. Step 5: Solve for x
    x = 3,337,938,298.01/65,569.46
  6. Step 6: Final answer
    x = 50,906.91

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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.