Home / 42,130.40-58,147.60-25,135.84

Finding the Fourth Proportional to 42,130.40, 58,147.60 and 25,135.84

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Solution

The fourth proportional to 42,130.40, 58,147.60 and 25,135.84 is: 34,692.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,130.40 : 58,147.60 = 25,135.84 : x
  2. Step 2: Convert to fraction form
    42,130.40/58,147.60 = 25,135.84/x
  3. Step 3: Cross multiply
    42,130.40x = 58,147.60 × 25,135.84
  4. Step 4: Simplify right side
    42,130.40x = 1,461,588,769.98
  5. Step 5: Solve for x
    x = 1,461,588,769.98/42,130.40
  6. Step 6: Final answer
    x = 34,692.02

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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.