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Finding the Fourth Proportional to 62,775.81, 86,632.07 and 34,482.11

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Solution

The fourth proportional to 62,775.81, 86,632.07 and 34,482.11 is: 47,586.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,775.81 : 86,632.07 = 34,482.11 : x
  2. Step 2: Convert to fraction form
    62,775.81/86,632.07 = 34,482.11/x
  3. Step 3: Cross multiply
    62,775.81x = 86,632.07 × 34,482.11
  4. Step 4: Simplify right side
    62,775.81x = 2,987,255,961.70
  5. Step 5: Solve for x
    x = 2,987,255,961.70/62,775.81
  6. Step 6: Final answer
    x = 47,586.10

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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.