Home / 55,004.58-75,900.01-30,802.17

Finding the Fourth Proportional to 55,004.58, 75,900.01 and 30,802.17

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Solution

The fourth proportional to 55,004.58, 75,900.01 and 30,802.17 is: 42,503.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,004.58 : 75,900.01 = 30,802.17 : x
  2. Step 2: Convert to fraction form
    55,004.58/75,900.01 = 30,802.17/x
  3. Step 3: Cross multiply
    55,004.58x = 75,900.01 × 30,802.17
  4. Step 4: Simplify right side
    55,004.58x = 2,337,885,011.02
  5. Step 5: Solve for x
    x = 2,337,885,011.02/55,004.58
  6. Step 6: Final answer
    x = 42,503.46

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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.