Home / 39,108.12-53,969.40-37,695.48

Finding the Fourth Proportional to 39,108.12, 53,969.40 and 37,695.48

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Solution

The fourth proportional to 39,108.12, 53,969.40 and 37,695.48 is: 52,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,108.12 : 53,969.40 = 37,695.48 : x
  2. Step 2: Convert to fraction form
    39,108.12/53,969.40 = 37,695.48/x
  3. Step 3: Cross multiply
    39,108.12x = 53,969.40 × 37,695.48
  4. Step 4: Simplify right side
    39,108.12x = 2,034,402,438.31
  5. Step 5: Solve for x
    x = 2,034,402,438.31/39,108.12
  6. Step 6: Final answer
    x = 52,019.95

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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.