Home / 51,810.12-71,500.59-30,588.93

Finding the Fourth Proportional to 51,810.12, 71,500.59 and 30,588.93

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Solution

The fourth proportional to 51,810.12, 71,500.59 and 30,588.93 is: 42,214.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,810.12 : 71,500.59 = 30,588.93 : x
  2. Step 2: Convert to fraction form
    51,810.12/71,500.59 = 30,588.93/x
  3. Step 3: Cross multiply
    51,810.12x = 71,500.59 × 30,588.93
  4. Step 4: Simplify right side
    51,810.12x = 2,187,126,542.47
  5. Step 5: Solve for x
    x = 2,187,126,542.47/51,810.12
  6. Step 6: Final answer
    x = 42,214.27

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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.