Home / 58,373.40-87,533.46-20,919

Finding the Fourth Proportional to 58,373.40, 87,533.46 and 20,919

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Solution

The fourth proportional to 58,373.40, 87,533.46 and 20,919 is: 31,368.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,373.40 : 87,533.46 = 20,919 : x
  2. Step 2: Convert to fraction form
    58,373.40/87,533.46 = 20,919/x
  3. Step 3: Cross multiply
    58,373.40x = 87,533.46 × 20,919
  4. Step 4: Simplify right side
    58,373.40x = 1,831,112,449.74
  5. Step 5: Solve for x
    x = 1,831,112,449.74/58,373.40
  6. Step 6: Final answer
    x = 31,368.95

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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.