Home / 48,140.18-72,222.60-20,050.90

Finding the Fourth Proportional to 48,140.18, 72,222.60 and 20,050.90

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Solution

The fourth proportional to 48,140.18, 72,222.60 and 20,050.90 is: 30,081.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,140.18 : 72,222.60 = 20,050.90 : x
  2. Step 2: Convert to fraction form
    48,140.18/72,222.60 = 20,050.90/x
  3. Step 3: Cross multiply
    48,140.18x = 72,222.60 × 20,050.90
  4. Step 4: Simplify right side
    48,140.18x = 1,448,128,130.34
  5. Step 5: Solve for x
    x = 1,448,128,130.34/48,140.18
  6. Step 6: Final answer
    x = 30,081.49

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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.