Home / 53,296.47-73,551.51-30,642.81

Finding the Fourth Proportional to 53,296.47, 73,551.51 and 30,642.81

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Solution

The fourth proportional to 53,296.47, 73,551.51 and 30,642.81 is: 42,288.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,296.47 : 73,551.51 = 30,642.81 : x
  2. Step 2: Convert to fraction form
    53,296.47/73,551.51 = 30,642.81/x
  3. Step 3: Cross multiply
    53,296.47x = 73,551.51 × 30,642.81
  4. Step 4: Simplify right side
    53,296.47x = 2,253,824,946.14
  5. Step 5: Solve for x
    x = 2,253,824,946.14/53,296.47
  6. Step 6: Final answer
    x = 42,288.45

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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.