Home / 48,237.12-66,549.12-28,365.12

Finding the Fourth Proportional to 48,237.12, 66,549.12 and 28,365.12

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Solution

The fourth proportional to 48,237.12, 66,549.12 and 28,365.12 is: 39,133.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,237.12 : 66,549.12 = 28,365.12 : x
  2. Step 2: Convert to fraction form
    48,237.12/66,549.12 = 28,365.12/x
  3. Step 3: Cross multiply
    48,237.12x = 66,549.12 × 28,365.12
  4. Step 4: Simplify right side
    48,237.12x = 1,887,673,774.69
  5. Step 5: Solve for x
    x = 1,887,673,774.69/48,237.12
  6. Step 6: Final answer
    x = 39,133.22

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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.