Home / 31,058.57-42,860.93-16,911.50

Finding the Fourth Proportional to 31,058.57, 42,860.93 and 16,911.50

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Solution

The fourth proportional to 31,058.57, 42,860.93 and 16,911.50 is: 23,337.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,058.57 : 42,860.93 = 16,911.50 : x
  2. Step 2: Convert to fraction form
    31,058.57/42,860.93 = 16,911.50/x
  3. Step 3: Cross multiply
    31,058.57x = 42,860.93 × 16,911.50
  4. Step 4: Simplify right side
    31,058.57x = 724,842,617.70
  5. Step 5: Solve for x
    x = 724,842,617.70/31,058.57
  6. Step 6: Final answer
    x = 23,337.93

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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.