Home / 47,712.19-71,568.29-14,880.19

Finding the Fourth Proportional to 47,712.19, 71,568.29 and 14,880.19

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Solution

The fourth proportional to 47,712.19, 71,568.29 and 14,880.19 is: 22,320.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,712.19 : 71,568.29 = 14,880.19 : x
  2. Step 2: Convert to fraction form
    47,712.19/71,568.29 = 14,880.19/x
  3. Step 3: Cross multiply
    47,712.19x = 71,568.29 × 14,880.19
  4. Step 4: Simplify right side
    47,712.19x = 1,064,949,499.85
  5. Step 5: Solve for x
    x = 1,064,949,499.85/47,712.19
  6. Step 6: Final answer
    x = 22,320.28

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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.