Home / 43,099.90-64,649.63-11,078.94

Finding the Fourth Proportional to 43,099.90, 64,649.63 and 11,078.94

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Solution

The fourth proportional to 43,099.90, 64,649.63 and 11,078.94 is: 16,618.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,099.90 : 64,649.63 = 11,078.94 : x
  2. Step 2: Convert to fraction form
    43,099.90/64,649.63 = 11,078.94/x
  3. Step 3: Cross multiply
    43,099.90x = 64,649.63 × 11,078.94
  4. Step 4: Simplify right side
    43,099.90x = 716,249,371.79
  5. Step 5: Solve for x
    x = 716,249,371.79/43,099.90
  6. Step 6: Final answer
    x = 16,618.35

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1.5x scale

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.