Home / 45,132.63-67,699.02-25,400.42

Finding the Fourth Proportional to 45,132.63, 67,699.02 and 25,400.42

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Solution

The fourth proportional to 45,132.63, 67,699.02 and 25,400.42 is: 38,100.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,132.63 : 67,699.02 = 25,400.42 : x
  2. Step 2: Convert to fraction form
    45,132.63/67,699.02 = 25,400.42/x
  3. Step 3: Cross multiply
    45,132.63x = 67,699.02 × 25,400.42
  4. Step 4: Simplify right side
    45,132.63x = 1,719,583,541.59
  5. Step 5: Solve for x
    x = 1,719,583,541.59/45,132.63
  6. Step 6: Final answer
    x = 38,100.67

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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.