Home / 40,157.76-60,175.62-31,802.88

Finding the Fourth Proportional to 40,157.76, 60,175.62 and 31,802.88

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Solution

The fourth proportional to 40,157.76, 60,175.62 and 31,802.88 is: 47,656.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,157.76 : 60,175.62 = 31,802.88 : x
  2. Step 2: Convert to fraction form
    40,157.76/60,175.62 = 31,802.88/x
  3. Step 3: Cross multiply
    40,157.76x = 60,175.62 × 31,802.88
  4. Step 4: Simplify right side
    40,157.76x = 1,913,758,021.79
  5. Step 5: Solve for x
    x = 1,913,758,021.79/40,157.76
  6. Step 6: Final answer
    x = 47,656.00

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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.