Home / 39,330.34-58,946.28-30,977.38

Finding the Fourth Proportional to 39,330.34, 58,946.28 and 30,977.38

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Solution

The fourth proportional to 39,330.34, 58,946.28 and 30,977.38 is: 46,427.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,330.34 : 58,946.28 = 30,977.38 : x
  2. Step 2: Convert to fraction form
    39,330.34/58,946.28 = 30,977.38/x
  3. Step 3: Cross multiply
    39,330.34x = 58,946.28 × 30,977.38
  4. Step 4: Simplify right side
    39,330.34x = 1,826,001,315.15
  5. Step 5: Solve for x
    x = 1,826,001,315.15/39,330.34
  6. Step 6: Final answer
    x = 46,427.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.