Home / 47,712.31-71,568.47-14,880.31

Finding the Fourth Proportional to 47,712.31, 71,568.47 and 14,880.31

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Solution

The fourth proportional to 47,712.31, 71,568.47 and 14,880.31 is: 22,320.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,712.31 : 71,568.47 = 14,880.31 : x
  2. Step 2: Convert to fraction form
    47,712.31/71,568.47 = 14,880.31/x
  3. Step 3: Cross multiply
    47,712.31x = 71,568.47 × 14,880.31
  4. Step 4: Simplify right side
    47,712.31x = 1,064,961,019.83
  5. Step 5: Solve for x
    x = 1,064,961,019.83/47,712.31
  6. Step 6: Final answer
    x = 22,320.47

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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.