Home / 53,043.32-79,509.18-40,536.20

Finding the Fourth Proportional to 53,043.32, 79,509.18 and 40,536.20

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Solution

The fourth proportional to 53,043.32, 79,509.18 and 40,536.20 is: 60,761.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,043.32 : 79,509.18 = 40,536.20 : x
  2. Step 2: Convert to fraction form
    53,043.32/79,509.18 = 40,536.20/x
  3. Step 3: Cross multiply
    53,043.32x = 79,509.18 × 40,536.20
  4. Step 4: Simplify right side
    53,043.32x = 3,223,000,022.32
  5. Step 5: Solve for x
    x = 3,223,000,022.32/53,043.32
  6. Step 6: Final answer
    x = 60,761.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.