Home / 39,110.04-53,957.68-25,688.56

Finding the Fourth Proportional to 39,110.04, 53,957.68 and 25,688.56

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Solution

The fourth proportional to 39,110.04, 53,957.68 and 25,688.56 is: 35,440.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,110.04 : 53,957.68 = 25,688.56 : x
  2. Step 2: Convert to fraction form
    39,110.04/53,957.68 = 25,688.56/x
  3. Step 3: Cross multiply
    39,110.04x = 53,957.68 × 25,688.56
  4. Step 4: Simplify right side
    39,110.04x = 1,386,095,100.14
  5. Step 5: Solve for x
    x = 1,386,095,100.14/39,110.04
  6. Step 6: Final answer
    x = 35,440.90

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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.