Home / 52,880.49-79,319.61-12,899.60

Finding the Fourth Proportional to 52,880.49, 79,319.61 and 12,899.60

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Solution

The fourth proportional to 52,880.49, 79,319.61 and 12,899.60 is: 19,349.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,880.49 : 79,319.61 = 12,899.60 : x
  2. Step 2: Convert to fraction form
    52,880.49/79,319.61 = 12,899.60/x
  3. Step 3: Cross multiply
    52,880.49x = 79,319.61 × 12,899.60
  4. Step 4: Simplify right side
    52,880.49x = 1,023,191,241.16
  5. Step 5: Solve for x
    x = 1,023,191,241.16/52,880.49
  6. Step 6: Final answer
    x = 19,349.13

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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.