Home / 31,503.54-47,264.52-9,317.49

Finding the Fourth Proportional to 31,503.54, 47,264.52 and 9,317.49

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Solution

The fourth proportional to 31,503.54, 47,264.52 and 9,317.49 is: 13,978.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,503.54 : 47,264.52 = 9,317.49 : x
  2. Step 2: Convert to fraction form
    31,503.54/47,264.52 = 9,317.49/x
  3. Step 3: Cross multiply
    31,503.54x = 47,264.52 × 9,317.49
  4. Step 4: Simplify right side
    31,503.54x = 440,386,692.45
  5. Step 5: Solve for x
    x = 440,386,692.45/31,503.54
  6. Step 6: Final answer
    x = 13,978.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.