Home / 31,948.02-47,921.63-14,405.45

Finding the Fourth Proportional to 31,948.02, 47,921.63 and 14,405.45

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Solution

The fourth proportional to 31,948.02, 47,921.63 and 14,405.45 is: 21,607.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,948.02 : 47,921.63 = 14,405.45 : x
  2. Step 2: Convert to fraction form
    31,948.02/47,921.63 = 14,405.45/x
  3. Step 3: Cross multiply
    31,948.02x = 47,921.63 × 14,405.45
  4. Step 4: Simplify right side
    31,948.02x = 690,332,333.25
  5. Step 5: Solve for x
    x = 690,332,333.25/31,948.02
  6. Step 6: Final answer
    x = 21,607.98

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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.