Home / 51,599.43-71,221.95-30,390.93

Finding the Fourth Proportional to 51,599.43, 71,221.95 and 30,390.93

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Solution

The fourth proportional to 51,599.43, 71,221.95 and 30,390.93 is: 41,948.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,599.43 : 71,221.95 = 30,390.93 : x
  2. Step 2: Convert to fraction form
    51,599.43/71,221.95 = 30,390.93/x
  3. Step 3: Cross multiply
    51,599.43x = 71,221.95 × 30,390.93
  4. Step 4: Simplify right side
    51,599.43x = 2,164,501,296.91
  5. Step 5: Solve for x
    x = 2,164,501,296.91/51,599.43
  6. Step 6: Final answer
    x = 41,948.16

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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.