Home / 62,638.64-86,441.28-34,344.80

Finding the Fourth Proportional to 62,638.64, 86,441.28 and 34,344.80

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Solution

The fourth proportional to 62,638.64, 86,441.28 and 34,344.80 is: 47,395.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,638.64 : 86,441.28 = 34,344.80 : x
  2. Step 2: Convert to fraction form
    62,638.64/86,441.28 = 34,344.80/x
  3. Step 3: Cross multiply
    62,638.64x = 86,441.28 × 34,344.80
  4. Step 4: Simplify right side
    62,638.64x = 2,968,808,473.34
  5. Step 5: Solve for x
    x = 2,968,808,473.34/62,638.64
  6. Step 6: Final answer
    x = 47,395.80

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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.