Home / 30,424.27-42,200.29-29,615.08

Finding the Fourth Proportional to 30,424.27, 42,200.29 and 29,615.08

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Solution

The fourth proportional to 30,424.27, 42,200.29 and 29,615.08 is: 41,077.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,424.27 : 42,200.29 = 29,615.08 : x
  2. Step 2: Convert to fraction form
    30,424.27/42,200.29 = 29,615.08/x
  3. Step 3: Cross multiply
    30,424.27x = 42,200.29 × 29,615.08
  4. Step 4: Simplify right side
    30,424.27x = 1,249,764,605.30
  5. Step 5: Solve for x
    x = 1,249,764,605.30/30,424.27
  6. Step 6: Final answer
    x = 41,077.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.