Home / 40,434.63-60,561.68-31,005.20

Finding the Fourth Proportional to 40,434.63, 60,561.68 and 31,005.20

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Solution

The fourth proportional to 40,434.63, 60,561.68 and 31,005.20 is: 46,438.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,434.63 : 60,561.68 = 31,005.20 : x
  2. Step 2: Convert to fraction form
    40,434.63/60,561.68 = 31,005.20/x
  3. Step 3: Cross multiply
    40,434.63x = 60,561.68 × 31,005.20
  4. Step 4: Simplify right side
    40,434.63x = 1,877,726,542.90
  5. Step 5: Solve for x
    x = 1,877,726,542.90/40,434.63
  6. Step 6: Final answer
    x = 46,438.57

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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.