Home / 51,127.85-70,555.74-29,620.52

Finding the Fourth Proportional to 51,127.85, 70,555.74 and 29,620.52

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Solution

The fourth proportional to 51,127.85, 70,555.74 and 29,620.52 is: 40,875.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,127.85 : 70,555.74 = 29,620.52 : x
  2. Step 2: Convert to fraction form
    51,127.85/70,555.74 = 29,620.52/x
  3. Step 3: Cross multiply
    51,127.85x = 70,555.74 × 29,620.52
  4. Step 4: Simplify right side
    51,127.85x = 2,089,897,355.01
  5. Step 5: Solve for x
    x = 2,089,897,355.01/51,127.85
  6. Step 6: Final answer
    x = 40,875.91

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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.