Home / 35,890.18-53,856.87-12,533.02

Finding the Fourth Proportional to 35,890.18, 53,856.87 and 12,533.02

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Solution

The fourth proportional to 35,890.18, 53,856.87 and 12,533.02 is: 18,807.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,890.18 : 53,856.87 = 12,533.02 : x
  2. Step 2: Convert to fraction form
    35,890.18/53,856.87 = 12,533.02/x
  3. Step 3: Cross multiply
    35,890.18x = 53,856.87 × 12,533.02
  4. Step 4: Simplify right side
    35,890.18x = 674,989,228.85
  5. Step 5: Solve for x
    x = 674,989,228.85/35,890.18
  6. Step 6: Final answer
    x = 18,807.07

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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.