Home / 65,464.13-90,341.10-37,170.42

Finding the Fourth Proportional to 65,464.13, 90,341.10 and 37,170.42

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Solution

The fourth proportional to 65,464.13, 90,341.10 and 37,170.42 is: 51,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,464.13 : 90,341.10 = 37,170.42 : x
  2. Step 2: Convert to fraction form
    65,464.13/90,341.10 = 37,170.42/x
  3. Step 3: Cross multiply
    65,464.13x = 90,341.10 × 37,170.42
  4. Step 4: Simplify right side
    65,464.13x = 3,358,016,630.26
  5. Step 5: Solve for x
    x = 3,358,016,630.26/65,464.13
  6. Step 6: Final answer
    x = 51,295.52

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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.