Home / 53,385.31-73,666.92-30,718.27

Finding the Fourth Proportional to 53,385.31, 73,666.92 and 30,718.27

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Solution

The fourth proportional to 53,385.31, 73,666.92 and 30,718.27 is: 42,388.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,385.31 : 73,666.92 = 30,718.27 : x
  2. Step 2: Convert to fraction form
    53,385.31/73,666.92 = 30,718.27/x
  3. Step 3: Cross multiply
    53,385.31x = 73,666.92 × 30,718.27
  4. Step 4: Simplify right side
    53,385.31x = 2,262,920,338.63
  5. Step 5: Solve for x
    x = 2,262,920,338.63/53,385.31
  6. Step 6: Final answer
    x = 42,388.45

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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.