Home / 39,109.52-53,956.98-25,688.06

Finding the Fourth Proportional to 39,109.52, 53,956.98 and 25,688.06

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Solution

The fourth proportional to 39,109.52, 53,956.98 and 25,688.06 is: 35,440.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,109.52 : 53,956.98 = 25,688.06 : x
  2. Step 2: Convert to fraction form
    39,109.52/53,956.98 = 25,688.06/x
  3. Step 3: Cross multiply
    39,109.52x = 53,956.98 × 25,688.06
  4. Step 4: Simplify right side
    39,109.52x = 1,386,050,139.66
  5. Step 5: Solve for x
    x = 1,386,050,139.66/39,109.52
  6. Step 6: Final answer
    x = 35,440.22

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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.