Home / 42,160.77-58,258.85-40,111.07

Finding the Fourth Proportional to 42,160.77, 58,258.85 and 40,111.07

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Solution

The fourth proportional to 42,160.77, 58,258.85 and 40,111.07 is: 55,426.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,160.77 : 58,258.85 = 40,111.07 : x
  2. Step 2: Convert to fraction form
    42,160.77/58,258.85 = 40,111.07/x
  3. Step 3: Cross multiply
    42,160.77x = 58,258.85 × 40,111.07
  4. Step 4: Simplify right side
    42,160.77x = 2,336,824,318.62
  5. Step 5: Solve for x
    x = 2,336,824,318.62/42,160.77
  6. Step 6: Final answer
    x = 55,426.51

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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.