Home / 42,119.19-58,077.09-34,438.50

Finding the Fourth Proportional to 42,119.19, 58,077.09 and 34,438.50

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Solution

The fourth proportional to 42,119.19, 58,077.09 and 34,438.50 is: 47,486.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,119.19 : 58,077.09 = 34,438.50 : x
  2. Step 2: Convert to fraction form
    42,119.19/58,077.09 = 34,438.50/x
  3. Step 3: Cross multiply
    42,119.19x = 58,077.09 × 34,438.50
  4. Step 4: Simplify right side
    42,119.19x = 2,000,087,847.92
  5. Step 5: Solve for x
    x = 2,000,087,847.92/42,119.19
  6. Step 6: Final answer
    x = 47,486.38

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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.