Home / 39,077.04-58,622.76-12,783.24

Finding the Fourth Proportional to 39,077.04, 58,622.76 and 12,783.24

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Solution

The fourth proportional to 39,077.04, 58,622.76 and 12,783.24 is: 19,177.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,077.04 : 58,622.76 = 12,783.24 : x
  2. Step 2: Convert to fraction form
    39,077.04/58,622.76 = 12,783.24/x
  3. Step 3: Cross multiply
    39,077.04x = 58,622.76 × 12,783.24
  4. Step 4: Simplify right side
    39,077.04x = 749,388,810.54
  5. Step 5: Solve for x
    x = 749,388,810.54/39,077.04
  6. Step 6: Final answer
    x = 19,177.22

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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.