Home / 45,427.59-67,795.97-42,419.57

Finding the Fourth Proportional to 45,427.59, 67,795.97 and 42,419.57

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Solution

The fourth proportional to 45,427.59, 67,795.97 and 42,419.57 is: 63,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,427.59 : 67,795.97 = 42,419.57 : x
  2. Step 2: Convert to fraction form
    45,427.59/67,795.97 = 42,419.57/x
  3. Step 3: Cross multiply
    45,427.59x = 67,795.97 × 42,419.57
  4. Step 4: Simplify right side
    45,427.59x = 2,875,875,344.06
  5. Step 5: Solve for x
    x = 2,875,875,344.06/45,427.59
  6. Step 6: Final answer
    x = 63,306.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.