Home / 55,360.08-76,373.64-38,602.80

Finding the Fourth Proportional to 55,360.08, 76,373.64 and 38,602.80

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Solution

The fourth proportional to 55,360.08, 76,373.64 and 38,602.80 is: 53,255.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,360.08 : 76,373.64 = 38,602.80 : x
  2. Step 2: Convert to fraction form
    55,360.08/76,373.64 = 38,602.80/x
  3. Step 3: Cross multiply
    55,360.08x = 76,373.64 × 38,602.80
  4. Step 4: Simplify right side
    55,360.08x = 2,948,236,350.19
  5. Step 5: Solve for x
    x = 2,948,236,350.19/55,360.08
  6. Step 6: Final answer
    x = 53,255.64

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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.