Home / 52,781.48-72,820.38-30,104.18

Finding the Fourth Proportional to 52,781.48, 72,820.38 and 30,104.18

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Solution

The fourth proportional to 52,781.48, 72,820.38 and 30,104.18 is: 41,533.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,781.48 : 72,820.38 = 30,104.18 : x
  2. Step 2: Convert to fraction form
    52,781.48/72,820.38 = 30,104.18/x
  3. Step 3: Cross multiply
    52,781.48x = 72,820.38 × 30,104.18
  4. Step 4: Simplify right side
    52,781.48x = 2,192,197,827.19
  5. Step 5: Solve for x
    x = 2,192,197,827.19/52,781.48
  6. Step 6: Final answer
    x = 41,533.47

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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.