Home / 31,867.02-47,800.13-14,324.45

Finding the Fourth Proportional to 31,867.02, 47,800.13 and 14,324.45

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Solution

The fourth proportional to 31,867.02, 47,800.13 and 14,324.45 is: 21,486.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,867.02 : 47,800.13 = 14,324.45 : x
  2. Step 2: Convert to fraction form
    31,867.02/47,800.13 = 14,324.45/x
  3. Step 3: Cross multiply
    31,867.02x = 47,800.13 × 14,324.45
  4. Step 4: Simplify right side
    31,867.02x = 684,710,261.56
  5. Step 5: Solve for x
    x = 684,710,261.56/31,867.02
  6. Step 6: Final answer
    x = 21,486.49

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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.