Home / 65,440.08-90,304.20-37,141.92

Finding the Fourth Proportional to 65,440.08, 90,304.20 and 37,141.92

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Solution

The fourth proportional to 65,440.08, 90,304.20 and 37,141.92 is: 51,254.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,440.08 : 90,304.20 = 37,141.92 : x
  2. Step 2: Convert to fraction form
    65,440.08/90,304.20 = 37,141.92/x
  3. Step 3: Cross multiply
    65,440.08x = 90,304.20 × 37,141.92
  4. Step 4: Simplify right side
    65,440.08x = 3,354,071,372.06
  5. Step 5: Solve for x
    x = 3,354,071,372.06/65,440.08
  6. Step 6: Final answer
    x = 51,254.08

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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.