Home / 42,427.26-58,563.35-30,525.20

Finding the Fourth Proportional to 42,427.26, 58,563.35 and 30,525.20

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Solution

The fourth proportional to 42,427.26, 58,563.35 and 30,525.20 is: 42,134.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,427.26 : 58,563.35 = 30,525.20 : x
  2. Step 2: Convert to fraction form
    42,427.26/58,563.35 = 30,525.20/x
  3. Step 3: Cross multiply
    42,427.26x = 58,563.35 × 30,525.20
  4. Step 4: Simplify right side
    42,427.26x = 1,787,657,525.98
  5. Step 5: Solve for x
    x = 1,787,657,525.98/42,427.26
  6. Step 6: Final answer
    x = 42,134.64

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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.