Home / 65,713.32-90,684.29-37,419.01

Finding the Fourth Proportional to 65,713.32, 90,684.29 and 37,419.01

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Solution

The fourth proportional to 65,713.32, 90,684.29 and 37,419.01 is: 51,638.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,713.32 : 90,684.29 = 37,419.01 : x
  2. Step 2: Convert to fraction form
    65,713.32/90,684.29 = 37,419.01/x
  3. Step 3: Cross multiply
    65,713.32x = 90,684.29 × 37,419.01
  4. Step 4: Simplify right side
    65,713.32x = 3,393,316,221.19
  5. Step 5: Solve for x
    x = 3,393,316,221.19/65,713.32
  6. Step 6: Final answer
    x = 51,638.18

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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.