Home / 53,903.71-74,389.43-30,030.40

Finding the Fourth Proportional to 53,903.71, 74,389.43 and 30,030.40

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Solution

The fourth proportional to 53,903.71, 74,389.43 and 30,030.40 is: 41,443.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,903.71 : 74,389.43 = 30,030.40 : x
  2. Step 2: Convert to fraction form
    53,903.71/74,389.43 = 30,030.40/x
  3. Step 3: Cross multiply
    53,903.71x = 74,389.43 × 30,030.40
  4. Step 4: Simplify right side
    53,903.71x = 2,233,944,338.67
  5. Step 5: Solve for x
    x = 2,233,944,338.67/53,903.71
  6. Step 6: Final answer
    x = 41,443.24

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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.