Home / 62,887.21-86,813.08-42,225.30

Finding the Fourth Proportional to 62,887.21, 86,813.08 and 42,225.30

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Solution

The fourth proportional to 62,887.21, 86,813.08 and 42,225.30 is: 58,290.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,887.21 : 86,813.08 = 42,225.30 : x
  2. Step 2: Convert to fraction form
    62,887.21/86,813.08 = 42,225.30/x
  3. Step 3: Cross multiply
    62,887.21x = 86,813.08 × 42,225.30
  4. Step 4: Simplify right side
    62,887.21x = 3,665,708,235.45
  5. Step 5: Solve for x
    x = 3,665,708,235.45/62,887.21
  6. Step 6: Final answer
    x = 58,290.21

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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.