Home / 42,143.04-58,168.98-26,217.99

Finding the Fourth Proportional to 42,143.04, 58,168.98 and 26,217.99

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Solution

The fourth proportional to 42,143.04, 58,168.98 and 26,217.99 is: 36,188.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,143.04 : 58,168.98 = 26,217.99 : x
  2. Step 2: Convert to fraction form
    42,143.04/58,168.98 = 26,217.99/x
  3. Step 3: Cross multiply
    42,143.04x = 58,168.98 × 26,217.99
  4. Step 4: Simplify right side
    42,143.04x = 1,525,073,735.95
  5. Step 5: Solve for x
    x = 1,525,073,735.95/42,143.04
  6. Step 6: Final answer
    x = 36,188.03

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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.