Home / 42,150.55-58,100.20-28,534.30

Finding the Fourth Proportional to 42,150.55, 58,100.20 and 28,534.30

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Solution

The fourth proportional to 42,150.55, 58,100.20 and 28,534.30 is: 39,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,150.55 : 58,100.20 = 28,534.30 : x
  2. Step 2: Convert to fraction form
    42,150.55/58,100.20 = 28,534.30/x
  3. Step 3: Cross multiply
    42,150.55x = 58,100.20 × 28,534.30
  4. Step 4: Simplify right side
    42,150.55x = 1,657,848,462.95
  5. Step 5: Solve for x
    x = 1,657,848,462.95/42,150.55
  6. Step 6: Final answer
    x = 39,331.60

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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.