Home / 31,503.16-47,259.06-13,972.60

Finding the Fourth Proportional to 31,503.16, 47,259.06 and 13,972.60

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Solution

The fourth proportional to 31,503.16, 47,259.06 and 13,972.60 is: 20,960.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,503.16 : 47,259.06 = 13,972.60 : x
  2. Step 2: Convert to fraction form
    31,503.16/47,259.06 = 13,972.60/x
  3. Step 3: Cross multiply
    31,503.16x = 47,259.06 × 13,972.60
  4. Step 4: Simplify right side
    31,503.16x = 660,331,941.76
  5. Step 5: Solve for x
    x = 660,331,941.76/31,503.16
  6. Step 6: Final answer
    x = 20,960.82

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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.