Home / 39,095.36-53,963.52-31,191.92

Finding the Fourth Proportional to 39,095.36, 53,963.52 and 31,191.92

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Solution

The fourth proportional to 39,095.36, 53,963.52 and 31,191.92 is: 43,054.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,095.36 : 53,963.52 = 31,191.92 : x
  2. Step 2: Convert to fraction form
    39,095.36/53,963.52 = 31,191.92/x
  3. Step 3: Cross multiply
    39,095.36x = 53,963.52 × 31,191.92
  4. Step 4: Simplify right side
    39,095.36x = 1,683,225,798.76
  5. Step 5: Solve for x
    x = 1,683,225,798.76/39,095.36
  6. Step 6: Final answer
    x = 43,054.36

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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.