Home / 52,112.16-71,915.04-29,455.20

Finding the Fourth Proportional to 52,112.16, 71,915.04 and 29,455.20

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Solution

The fourth proportional to 52,112.16, 71,915.04 and 29,455.20 is: 40,648.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,112.16 : 71,915.04 = 29,455.20 : x
  2. Step 2: Convert to fraction form
    52,112.16/71,915.04 = 29,455.20/x
  3. Step 3: Cross multiply
    52,112.16x = 71,915.04 × 29,455.20
  4. Step 4: Simplify right side
    52,112.16x = 2,118,271,886.21
  5. Step 5: Solve for x
    x = 2,118,271,886.21/52,112.16
  6. Step 6: Final answer
    x = 40,648.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.