Home / 53,901.71-74,386.67-30,028.40

Finding the Fourth Proportional to 53,901.71, 74,386.67 and 30,028.40

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Solution

The fourth proportional to 53,901.71, 74,386.67 and 30,028.40 is: 41,440.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,901.71 : 74,386.67 = 30,028.40 : x
  2. Step 2: Convert to fraction form
    53,901.71/74,386.67 = 30,028.40/x
  3. Step 3: Cross multiply
    53,901.71x = 74,386.67 × 30,028.40
  4. Step 4: Simplify right side
    53,901.71x = 2,233,712,681.43
  5. Step 5: Solve for x
    x = 2,233,712,681.43/53,901.71
  6. Step 6: Final answer
    x = 41,440.48

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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.