Home / 39,117.71-58,655.37-13,804.54

Finding the Fourth Proportional to 39,117.71, 58,655.37 and 13,804.54

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Solution

The fourth proportional to 39,117.71, 58,655.37 and 13,804.54 is: 20,699.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,117.71 : 58,655.37 = 13,804.54 : x
  2. Step 2: Convert to fraction form
    39,117.71/58,655.37 = 13,804.54/x
  3. Step 3: Cross multiply
    39,117.71x = 58,655.37 × 13,804.54
  4. Step 4: Simplify right side
    39,117.71x = 809,710,108.10
  5. Step 5: Solve for x
    x = 809,710,108.10/39,117.71
  6. Step 6: Final answer
    x = 20,699.32

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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.