Home / 53,589.47-73,948.14-30,935.76

Finding the Fourth Proportional to 53,589.47, 73,948.14 and 30,935.76

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Solution

The fourth proportional to 53,589.47, 73,948.14 and 30,935.76 is: 42,688.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,589.47 : 73,948.14 = 30,935.76 : x
  2. Step 2: Convert to fraction form
    53,589.47/73,948.14 = 30,935.76/x
  3. Step 3: Cross multiply
    53,589.47x = 73,948.14 × 30,935.76
  4. Step 4: Simplify right side
    53,589.47x = 2,287,641,911.49
  5. Step 5: Solve for x
    x = 2,287,641,911.49/53,589.47
  6. Step 6: Final answer
    x = 42,688.27

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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.