Home / 40,987.10-61,482.47-19,944.51

Finding the Fourth Proportional to 40,987.10, 61,482.47 and 19,944.51

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Solution

The fourth proportional to 40,987.10, 61,482.47 and 19,944.51 is: 29,917.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,987.10 : 61,482.47 = 19,944.51 : x
  2. Step 2: Convert to fraction form
    40,987.10/61,482.47 = 19,944.51/x
  3. Step 3: Cross multiply
    40,987.10x = 61,482.47 × 19,944.51
  4. Step 4: Simplify right side
    40,987.10x = 1,226,237,638.02
  5. Step 5: Solve for x
    x = 1,226,237,638.02/40,987.10
  6. Step 6: Final answer
    x = 29,917.65

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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.