Home / 42,506.88-58,703.04-31,879.68

Finding the Fourth Proportional to 42,506.88, 58,703.04 and 31,879.68

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Solution

The fourth proportional to 42,506.88, 58,703.04 and 31,879.68 is: 44,026.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,506.88 : 58,703.04 = 31,879.68 : x
  2. Step 2: Convert to fraction form
    42,506.88/58,703.04 = 31,879.68/x
  3. Step 3: Cross multiply
    42,506.88x = 58,703.04 × 31,879.68
  4. Step 4: Simplify right side
    42,506.88x = 1,871,434,130.23
  5. Step 5: Solve for x
    x = 1,871,434,130.23/42,506.88
  6. Step 6: Final answer
    x = 44,026.62

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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.