Home / 55,779.24-83,661.48-20,714.16

Finding the Fourth Proportional to 55,779.24, 83,661.48 and 20,714.16

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Solution

The fourth proportional to 55,779.24, 83,661.48 and 20,714.16 is: 31,068.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,779.24 : 83,661.48 = 20,714.16 : x
  2. Step 2: Convert to fraction form
    55,779.24/83,661.48 = 20,714.16/x
  3. Step 3: Cross multiply
    55,779.24x = 83,661.48 × 20,714.16
  4. Step 4: Simplify right side
    55,779.24x = 1,732,977,282.56
  5. Step 5: Solve for x
    x = 1,732,977,282.56/55,779.24
  6. Step 6: Final answer
    x = 31,068.50

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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.