Home / 42,200.49-63,322.74-30,609.39

Finding the Fourth Proportional to 42,200.49, 63,322.74 and 30,609.39

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Solution

The fourth proportional to 42,200.49, 63,322.74 and 30,609.39 is: 45,930.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,200.49 : 63,322.74 = 30,609.39 : x
  2. Step 2: Convert to fraction form
    42,200.49/63,322.74 = 30,609.39/x
  3. Step 3: Cross multiply
    42,200.49x = 63,322.74 × 30,609.39
  4. Step 4: Simplify right side
    42,200.49x = 1,938,270,444.53
  5. Step 5: Solve for x
    x = 1,938,270,444.53/42,200.49
  6. Step 6: Final answer
    x = 45,930.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.