Home / 55,598.10-83,440.98-20,547.78

Finding the Fourth Proportional to 55,598.10, 83,440.98 and 20,547.78

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Solution

The fourth proportional to 55,598.10, 83,440.98 and 20,547.78 is: 30,837.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,598.10 : 83,440.98 = 20,547.78 : x
  2. Step 2: Convert to fraction form
    55,598.10/83,440.98 = 20,547.78/x
  3. Step 3: Cross multiply
    55,598.10x = 83,440.98 × 20,547.78
  4. Step 4: Simplify right side
    55,598.10x = 1,714,526,900.02
  5. Step 5: Solve for x
    x = 1,714,526,900.02/55,598.10
  6. Step 6: Final answer
    x = 30,837.87

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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.