Home / 55,345.08-76,352.94-38,587.80

Finding the Fourth Proportional to 55,345.08, 76,352.94 and 38,587.80

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Solution

The fourth proportional to 55,345.08, 76,352.94 and 38,587.80 is: 53,234.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,345.08 : 76,352.94 = 38,587.80 : x
  2. Step 2: Convert to fraction form
    55,345.08/76,352.94 = 38,587.80/x
  3. Step 3: Cross multiply
    55,345.08x = 76,352.94 × 38,587.80
  4. Step 4: Simplify right side
    55,345.08x = 2,946,291,978.13
  5. Step 5: Solve for x
    x = 2,946,291,978.13/55,345.08
  6. Step 6: Final answer
    x = 53,234.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.