Home / 48,995.20-73,492.80-40,830.40

Finding the Fourth Proportional to 48,995.20, 73,492.80 and 40,830.40

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Solution

The fourth proportional to 48,995.20, 73,492.80 and 40,830.40 is: 61,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,995.20 : 73,492.80 = 40,830.40 : x
  2. Step 2: Convert to fraction form
    48,995.20/73,492.80 = 40,830.40/x
  3. Step 3: Cross multiply
    48,995.20x = 73,492.80 × 40,830.40
  4. Step 4: Simplify right side
    48,995.20x = 3,000,740,421.12
  5. Step 5: Solve for x
    x = 3,000,740,421.12/48,995.20
  6. Step 6: Final answer
    x = 61,245.60

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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.