Home / 55,904.04-83,870.64-20,844

Finding the Fourth Proportional to 55,904.04, 83,870.64 and 20,844

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Solution

The fourth proportional to 55,904.04, 83,870.64 and 20,844 is: 31,271.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,904.04 : 83,870.64 = 20,844 : x
  2. Step 2: Convert to fraction form
    55,904.04/83,870.64 = 20,844/x
  3. Step 3: Cross multiply
    55,904.04x = 83,870.64 × 20,844
  4. Step 4: Simplify right side
    55,904.04x = 1,748,199,620.16
  5. Step 5: Solve for x
    x = 1,748,199,620.16/55,904.04
  6. Step 6: Final answer
    x = 31,271.44

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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.