Home / 39,090.06-58,622.67-12,787.74

Finding the Fourth Proportional to 39,090.06, 58,622.67 and 12,787.74

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Solution

The fourth proportional to 39,090.06, 58,622.67 and 12,787.74 is: 19,177.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,090.06 : 58,622.67 = 12,787.74 : x
  2. Step 2: Convert to fraction form
    39,090.06/58,622.67 = 12,787.74/x
  3. Step 3: Cross multiply
    39,090.06x = 58,622.67 × 12,787.74
  4. Step 4: Simplify right side
    39,090.06x = 749,651,462.07
  5. Step 5: Solve for x
    x = 749,651,462.07/39,090.06
  6. Step 6: Final answer
    x = 19,177.55

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1.5x scale

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.