Home / 39,400.29-54,341.55-25,254.45

Finding the Fourth Proportional to 39,400.29, 54,341.55 and 25,254.45

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Solution

The fourth proportional to 39,400.29, 54,341.55 and 25,254.45 is: 34,831.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,400.29 : 54,341.55 = 25,254.45 : x
  2. Step 2: Convert to fraction form
    39,400.29/54,341.55 = 25,254.45/x
  3. Step 3: Cross multiply
    39,400.29x = 54,341.55 × 25,254.45
  4. Step 4: Simplify right side
    39,400.29x = 1,372,365,957.40
  5. Step 5: Solve for x
    x = 1,372,365,957.40/39,400.29
  6. Step 6: Final answer
    x = 34,831.37

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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.