Home / 65,280.33-90,094.14-38,429.46

Finding the Fourth Proportional to 65,280.33, 90,094.14 and 38,429.46

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Solution

The fourth proportional to 65,280.33, 90,094.14 and 38,429.46 is: 53,036.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,280.33 : 90,094.14 = 38,429.46 : x
  2. Step 2: Convert to fraction form
    65,280.33/90,094.14 = 38,429.46/x
  3. Step 3: Cross multiply
    65,280.33x = 90,094.14 × 38,429.46
  4. Step 4: Simplify right side
    65,280.33x = 3,462,269,149.36
  5. Step 5: Solve for x
    x = 3,462,269,149.36/65,280.33
  6. Step 6: Final answer
    x = 53,036.94

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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.