Home / 40,646.07-56,110.75-30,578.34

Finding the Fourth Proportional to 40,646.07, 56,110.75 and 30,578.34

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Solution

The fourth proportional to 40,646.07, 56,110.75 and 30,578.34 is: 42,212.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,646.07 : 56,110.75 = 30,578.34 : x
  2. Step 2: Convert to fraction form
    40,646.07/56,110.75 = 30,578.34/x
  3. Step 3: Cross multiply
    40,646.07x = 56,110.75 × 30,578.34
  4. Step 4: Simplify right side
    40,646.07x = 1,715,773,591.16
  5. Step 5: Solve for x
    x = 1,715,773,591.16/40,646.07
  6. Step 6: Final answer
    x = 42,212.53

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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.