Home / 55,005.33-75,901.05-30,802.92

Finding the Fourth Proportional to 55,005.33, 75,901.05 and 30,802.92

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Solution

The fourth proportional to 55,005.33, 75,901.05 and 30,802.92 is: 42,504.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,005.33 : 75,901.05 = 30,802.92 : x
  2. Step 2: Convert to fraction form
    55,005.33/75,901.05 = 30,802.92/x
  3. Step 3: Cross multiply
    55,005.33x = 75,901.05 × 30,802.92
  4. Step 4: Simplify right side
    55,005.33x = 2,337,973,971.07
  5. Step 5: Solve for x
    x = 2,337,973,971.07/55,005.33
  6. Step 6: Final answer
    x = 42,504.50

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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.