Home / 53,146.83-73,345.15-30,178.32

Finding the Fourth Proportional to 53,146.83, 73,345.15 and 30,178.32

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Solution

The fourth proportional to 53,146.83, 73,345.15 and 30,178.32 is: 41,647.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,146.83 : 73,345.15 = 30,178.32 : x
  2. Step 2: Convert to fraction form
    53,146.83/73,345.15 = 30,178.32/x
  3. Step 3: Cross multiply
    53,146.83x = 73,345.15 × 30,178.32
  4. Step 4: Simplify right side
    53,146.83x = 2,213,433,412.64
  5. Step 5: Solve for x
    x = 2,213,433,412.64/53,146.83
  6. Step 6: Final answer
    x = 41,647.51

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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.