Home / 55,801.12-77,007.12-30,652.32

Finding the Fourth Proportional to 55,801.12, 77,007.12 and 30,652.32

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Solution

The fourth proportional to 55,801.12, 77,007.12 and 30,652.32 is: 42,301.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,801.12 : 77,007.12 = 30,652.32 : x
  2. Step 2: Convert to fraction form
    55,801.12/77,007.12 = 30,652.32/x
  3. Step 3: Cross multiply
    55,801.12x = 77,007.12 × 30,652.32
  4. Step 4: Simplify right side
    55,801.12x = 2,360,446,884.52
  5. Step 5: Solve for x
    x = 2,360,446,884.52/55,801.12
  6. Step 6: Final answer
    x = 42,301.07

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1.5x scale

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.