Home / 39,299.90-54,130.55-30,207.87

Finding the Fourth Proportional to 39,299.90, 54,130.55 and 30,207.87

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Solution

The fourth proportional to 39,299.90, 54,130.55 and 30,207.87 is: 41,607.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,299.90 : 54,130.55 = 30,207.87 : x
  2. Step 2: Convert to fraction form
    39,299.90/54,130.55 = 30,207.87/x
  3. Step 3: Cross multiply
    39,299.90x = 54,130.55 × 30,207.87
  4. Step 4: Simplify right side
    39,299.90x = 1,635,168,466.39
  5. Step 5: Solve for x
    x = 1,635,168,466.39/39,299.90
  6. Step 6: Final answer
    x = 41,607.45

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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.