Home / 53,886.40-80,829.60-34,187.20

Finding the Fourth Proportional to 53,886.40, 80,829.60 and 34,187.20

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Solution

The fourth proportional to 53,886.40, 80,829.60 and 34,187.20 is: 51,280.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,886.40 : 80,829.60 = 34,187.20 : x
  2. Step 2: Convert to fraction form
    53,886.40/80,829.60 = 34,187.20/x
  3. Step 3: Cross multiply
    53,886.40x = 80,829.60 × 34,187.20
  4. Step 4: Simplify right side
    53,886.40x = 2,763,337,701.12
  5. Step 5: Solve for x
    x = 2,763,337,701.12/53,886.40
  6. Step 6: Final answer
    x = 51,280.80

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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.