Home / 62,639.12-86,441.36-34,344.74

Finding the Fourth Proportional to 62,639.12, 86,441.36 and 34,344.74

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Solution

The fourth proportional to 62,639.12, 86,441.36 and 34,344.74 is: 47,395.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,639.12 : 86,441.36 = 34,344.74 : x
  2. Step 2: Convert to fraction form
    62,639.12/86,441.36 = 34,344.74/x
  3. Step 3: Cross multiply
    62,639.12x = 86,441.36 × 34,344.74
  4. Step 4: Simplify right side
    62,639.12x = 2,968,806,034.45
  5. Step 5: Solve for x
    x = 2,968,806,034.45/62,639.12
  6. Step 6: Final answer
    x = 47,395.40

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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.