Home / 53,765.12-80,647.86-16,325.51

Finding the Fourth Proportional to 53,765.12, 80,647.86 and 16,325.51

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Solution

The fourth proportional to 53,765.12, 80,647.86 and 16,325.51 is: 24,488.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,765.12 : 80,647.86 = 16,325.51 : x
  2. Step 2: Convert to fraction form
    53,765.12/80,647.86 = 16,325.51/x
  3. Step 3: Cross multiply
    53,765.12x = 80,647.86 × 16,325.51
  4. Step 4: Simplify right side
    53,765.12x = 1,316,617,444.91
  5. Step 5: Solve for x
    x = 1,316,617,444.91/53,765.12
  6. Step 6: Final answer
    x = 24,488.32

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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.