Home / 51,688.62-71,341.41-31,541.19

Finding the Fourth Proportional to 51,688.62, 71,341.41 and 31,541.19

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Solution

The fourth proportional to 51,688.62, 71,341.41 and 31,541.19 is: 43,533.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,688.62 : 71,341.41 = 31,541.19 : x
  2. Step 2: Convert to fraction form
    51,688.62/71,341.41 = 31,541.19/x
  3. Step 3: Cross multiply
    51,688.62x = 71,341.41 × 31,541.19
  4. Step 4: Simplify right side
    51,688.62x = 2,250,192,967.68
  5. Step 5: Solve for x
    x = 2,250,192,967.68/51,688.62
  6. Step 6: Final answer
    x = 43,533.62

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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.