Home / 56,233.80-77,602.97-30,740.22

Finding the Fourth Proportional to 56,233.80, 77,602.97 and 30,740.22

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Solution

The fourth proportional to 56,233.80, 77,602.97 and 30,740.22 is: 42,421.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,233.80 : 77,602.97 = 30,740.22 : x
  2. Step 2: Convert to fraction form
    56,233.80/77,602.97 = 30,740.22/x
  3. Step 3: Cross multiply
    56,233.80x = 77,602.97 × 30,740.22
  4. Step 4: Simplify right side
    56,233.80x = 2,385,532,216.75
  5. Step 5: Solve for x
    x = 2,385,532,216.75/56,233.80
  6. Step 6: Final answer
    x = 42,421.68

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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.