Home / 66,945.04-92,373.72-38,645.28

Finding the Fourth Proportional to 66,945.04, 92,373.72 and 38,645.28

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Solution

The fourth proportional to 66,945.04, 92,373.72 and 38,645.28 is: 53,324.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,945.04 : 92,373.72 = 38,645.28 : x
  2. Step 2: Convert to fraction form
    66,945.04/92,373.72 = 38,645.28/x
  3. Step 3: Cross multiply
    66,945.04x = 92,373.72 × 38,645.28
  4. Step 4: Simplify right side
    66,945.04x = 3,569,808,274.04
  5. Step 5: Solve for x
    x = 3,569,808,274.04/66,945.04
  6. Step 6: Final answer
    x = 53,324.46

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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.