Home / 62,438.42-86,165.70-34,143.50

Finding the Fourth Proportional to 62,438.42, 86,165.70 and 34,143.50

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Solution

The fourth proportional to 62,438.42, 86,165.70 and 34,143.50 is: 47,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,438.42 : 86,165.70 = 34,143.50 : x
  2. Step 2: Convert to fraction form
    62,438.42/86,165.70 = 34,143.50/x
  3. Step 3: Cross multiply
    62,438.42x = 86,165.70 × 34,143.50
  4. Step 4: Simplify right side
    62,438.42x = 2,941,998,577.95
  5. Step 5: Solve for x
    x = 2,941,998,577.95/62,438.42
  6. Step 6: Final answer
    x = 47,118.40

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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.