Home / 51,143.54-70,557.81-31,283.06

Finding the Fourth Proportional to 51,143.54, 70,557.81 and 31,283.06

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Solution

The fourth proportional to 51,143.54, 70,557.81 and 31,283.06 is: 43,158.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,143.54 : 70,557.81 = 31,283.06 : x
  2. Step 2: Convert to fraction form
    51,143.54/70,557.81 = 31,283.06/x
  3. Step 3: Cross multiply
    51,143.54x = 70,557.81 × 31,283.06
  4. Step 4: Simplify right side
    51,143.54x = 2,207,264,203.70
  5. Step 5: Solve for x
    x = 2,207,264,203.70/51,143.54
  6. Step 6: Final answer
    x = 43,158.22

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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.