Home / 55,802.90-77,004.60-30,652.40

Finding the Fourth Proportional to 55,802.90, 77,004.60 and 30,652.40

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Solution

The fourth proportional to 55,802.90, 77,004.60 and 30,652.40 is: 42,298.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,802.90 : 77,004.60 = 30,652.40 : x
  2. Step 2: Convert to fraction form
    55,802.90/77,004.60 = 30,652.40/x
  3. Step 3: Cross multiply
    55,802.90x = 77,004.60 × 30,652.40
  4. Step 4: Simplify right side
    55,802.90x = 2,360,375,801.04
  5. Step 5: Solve for x
    x = 2,360,375,801.04/55,802.90
  6. Step 6: Final answer
    x = 42,298.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.