Home / 42,408.38-63,602.85-19,041.50

Finding the Fourth Proportional to 42,408.38, 63,602.85 and 19,041.50

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Solution

The fourth proportional to 42,408.38, 63,602.85 and 19,041.50 is: 28,557.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,408.38 : 63,602.85 = 19,041.50 : x
  2. Step 2: Convert to fraction form
    42,408.38/63,602.85 = 19,041.50/x
  3. Step 3: Cross multiply
    42,408.38x = 63,602.85 × 19,041.50
  4. Step 4: Simplify right side
    42,408.38x = 1,211,093,668.28
  5. Step 5: Solve for x
    x = 1,211,093,668.28/42,408.38
  6. Step 6: Final answer
    x = 28,557.89

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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.