Home / 36,887.45-55,386.53-21,110.30

Finding the Fourth Proportional to 36,887.45, 55,386.53 and 21,110.30

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Solution

The fourth proportional to 36,887.45, 55,386.53 and 21,110.30 is: 31,697.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,887.45 : 55,386.53 = 21,110.30 : x
  2. Step 2: Convert to fraction form
    36,887.45/55,386.53 = 21,110.30/x
  3. Step 3: Cross multiply
    36,887.45x = 55,386.53 × 21,110.30
  4. Step 4: Simplify right side
    36,887.45x = 1,169,226,264.26
  5. Step 5: Solve for x
    x = 1,169,226,264.26/36,887.45
  6. Step 6: Final answer
    x = 31,697.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.