Home / 62,671.36-86,462.88-40,011.20

Finding the Fourth Proportional to 62,671.36, 86,462.88 and 40,011.20

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Solution

The fourth proportional to 62,671.36, 86,462.88 and 40,011.20 is: 55,200.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,671.36 : 86,462.88 = 40,011.20 : x
  2. Step 2: Convert to fraction form
    62,671.36/86,462.88 = 40,011.20/x
  3. Step 3: Cross multiply
    62,671.36x = 86,462.88 × 40,011.20
  4. Step 4: Simplify right side
    62,671.36x = 3,459,483,584.26
  5. Step 5: Solve for x
    x = 3,459,483,584.26/62,671.36
  6. Step 6: Final answer
    x = 55,200.39

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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.