Home / 53,146.83-73,339.52-30,489.51

Finding the Fourth Proportional to 53,146.83, 73,339.52 and 30,489.51

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Solution

The fourth proportional to 53,146.83, 73,339.52 and 30,489.51 is: 42,073.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,146.83 : 73,339.52 = 30,489.51 : x
  2. Step 2: Convert to fraction form
    53,146.83/73,339.52 = 30,489.51/x
  3. Step 3: Cross multiply
    53,146.83x = 73,339.52 × 30,489.51
  4. Step 4: Simplify right side
    53,146.83x = 2,236,085,875.99
  5. Step 5: Solve for x
    x = 2,236,085,875.99/53,146.83
  6. Step 6: Final answer
    x = 42,073.74

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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.