Home / 51,441.41-71,002.32-31,312.42

Finding the Fourth Proportional to 51,441.41, 71,002.32 and 31,312.42

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Solution

The fourth proportional to 51,441.41, 71,002.32 and 31,312.42 is: 43,219.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,441.41 : 71,002.32 = 31,312.42 : x
  2. Step 2: Convert to fraction form
    51,441.41/71,002.32 = 31,312.42/x
  3. Step 3: Cross multiply
    51,441.41x = 71,002.32 × 31,312.42
  4. Step 4: Simplify right side
    51,441.41x = 2,223,254,464.81
  5. Step 5: Solve for x
    x = 2,223,254,464.81/51,441.41
  6. Step 6: Final answer
    x = 43,219.16

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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.