Home / 74,395.17-111,592.74-30,011.53

Finding the Fourth Proportional to 74,395.17, 111,592.74 and 30,011.53

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Solution

The fourth proportional to 74,395.17, 111,592.74 and 30,011.53 is: 45,017.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,395.17 : 111,592.74 = 30,011.53 : x
  2. Step 2: Convert to fraction form
    74,395.17/111,592.74 = 30,011.53/x
  3. Step 3: Cross multiply
    74,395.17x = 111,592.74 × 30,011.53
  4. Step 4: Simplify right side
    74,395.17x = 3,349,068,267.49
  5. Step 5: Solve for x
    x = 3,349,068,267.49/74,395.17
  6. Step 6: Final answer
    x = 45,017.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.