Home / 65,465.84-90,346.38-38,624.06

Finding the Fourth Proportional to 65,465.84, 90,346.38 and 38,624.06

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Solution

The fourth proportional to 65,465.84, 90,346.38 and 38,624.06 is: 53,303.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,465.84 : 90,346.38 = 38,624.06 : x
  2. Step 2: Convert to fraction form
    65,465.84/90,346.38 = 38,624.06/x
  3. Step 3: Cross multiply
    65,465.84x = 90,346.38 × 38,624.06
  4. Step 4: Simplify right side
    65,465.84x = 3,489,544,001.90
  5. Step 5: Solve for x
    x = 3,489,544,001.90/65,465.84
  6. Step 6: Final answer
    x = 53,303.28

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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.