Home / 39,088.36-53,953.86-31,184.92

Finding the Fourth Proportional to 39,088.36, 53,953.86 and 31,184.92

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Solution

The fourth proportional to 39,088.36, 53,953.86 and 31,184.92 is: 43,044.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,088.36 : 53,953.86 = 31,184.92 : x
  2. Step 2: Convert to fraction form
    39,088.36/53,953.86 = 31,184.92/x
  3. Step 3: Cross multiply
    39,088.36x = 53,953.86 × 31,184.92
  4. Step 4: Simplify right side
    39,088.36x = 1,682,546,807.79
  5. Step 5: Solve for x
    x = 1,682,546,807.79/39,088.36
  6. Step 6: Final answer
    x = 43,044.70

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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.