Home / 51,431.93-70,990.34-29,925.83

Finding the Fourth Proportional to 51,431.93, 70,990.34 and 29,925.83

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Solution

The fourth proportional to 51,431.93, 70,990.34 and 29,925.83 is: 41,305.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,431.93 : 70,990.34 = 29,925.83 : x
  2. Step 2: Convert to fraction form
    51,431.93/70,990.34 = 29,925.83/x
  3. Step 3: Cross multiply
    51,431.93x = 70,990.34 × 29,925.83
  4. Step 4: Simplify right side
    51,431.93x = 2,124,444,341.90
  5. Step 5: Solve for x
    x = 2,124,444,341.90/51,431.93
  6. Step 6: Final answer
    x = 41,305.95

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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.