Home / 67,420.40-101,150.71-20,037.06

Finding the Fourth Proportional to 67,420.40, 101,150.71 and 20,037.06

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Solution

The fourth proportional to 67,420.40, 101,150.71 and 20,037.06 is: 30,061.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,420.40 : 101,150.71 = 20,037.06 : x
  2. Step 2: Convert to fraction form
    67,420.40/101,150.71 = 20,037.06/x
  3. Step 3: Cross multiply
    67,420.40x = 101,150.71 × 20,037.06
  4. Step 4: Simplify right side
    67,420.40x = 2,026,762,795.22
  5. Step 5: Solve for x
    x = 2,026,762,795.22/67,420.40
  6. Step 6: Final answer
    x = 30,061.57

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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.