Home / 51,385.83-70,866.38-42,800.54

Finding the Fourth Proportional to 51,385.83, 70,866.38 and 42,800.54

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Solution

The fourth proportional to 51,385.83, 70,866.38 and 42,800.54 is: 59,026.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,385.83 : 70,866.38 = 42,800.54 : x
  2. Step 2: Convert to fraction form
    51,385.83/70,866.38 = 42,800.54/x
  3. Step 3: Cross multiply
    51,385.83x = 70,866.38 × 42,800.54
  4. Step 4: Simplify right side
    51,385.83x = 3,033,118,763.51
  5. Step 5: Solve for x
    x = 3,033,118,763.51/51,385.83
  6. Step 6: Final answer
    x = 59,026.37

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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.