Home / 51,009.62-70,220.94-42,042.92

Finding the Fourth Proportional to 51,009.62, 70,220.94 and 42,042.92

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Solution

The fourth proportional to 51,009.62, 70,220.94 and 42,042.92 is: 57,877.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,009.62 : 70,220.94 = 42,042.92 : x
  2. Step 2: Convert to fraction form
    51,009.62/70,220.94 = 42,042.92/x
  3. Step 3: Cross multiply
    51,009.62x = 70,220.94 × 42,042.92
  4. Step 4: Simplify right side
    51,009.62x = 2,952,293,362.74
  5. Step 5: Solve for x
    x = 2,952,293,362.74/51,009.62
  6. Step 6: Final answer
    x = 57,877.19

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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.