Home / 49,312.40-73,968.60-28,317.20

Finding the Fourth Proportional to 49,312.40, 73,968.60 and 28,317.20

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Solution

The fourth proportional to 49,312.40, 73,968.60 and 28,317.20 is: 42,475.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,312.40 : 73,968.60 = 28,317.20 : x
  2. Step 2: Convert to fraction form
    49,312.40/73,968.60 = 28,317.20/x
  3. Step 3: Cross multiply
    49,312.40x = 73,968.60 × 28,317.20
  4. Step 4: Simplify right side
    49,312.40x = 2,094,583,639.92
  5. Step 5: Solve for x
    x = 2,094,583,639.92/49,312.40
  6. Step 6: Final answer
    x = 42,475.80

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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.